Earphone

By designing a detachable camera housing and a rotatable speaker housing structure, the functional limitations of the headphones in prohibited shooting areas and the impact of wearing position adjustments on the shooting range are solved, thus improving the ease of use and stability of the headphones.

CN223967943UActive Publication Date: 2026-03-03GUOGUANG ELECTRIC COMPANY LIMITED
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

The existing headphones require users to remove them to avoid violating the law when in prohibited areas, which affects speaker usage. Furthermore, adjusting the position of the headphones affects the camera's shooting range, resulting in poor usability.

Method used

Design an earphone structure in which the camera housing is detachably connected to the ear hook housing and the speaker housing is rotatably connected, allowing the camera to be stored independently and ensuring a stable electrical connection between the camera and the speaker. This ensures that the camera housing can be removed separately in prohibited shooting areas while maintaining speaker functionality, and the off-center design prevents adjustments to the wearing position from affecting camera shooting.

Benefits of technology

It enables the speaker function to be used even in areas where shooting is prohibited, while the camera can be stored independently and the wearing position can be adjusted without affecting the shooting range, thus improving the convenience and stability of the headphones.

✦ Generated by Eureka AI based on patent content.

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Abstract

The earphone comprises an ear hook housing, an earplug housing and a camera housing, the ear hook housing comprises an ear hook part and a first connecting end connected to the ear hook part, the first connecting end is provided with a first side and a second side which are opposite to each other along a first central axis of the first connecting end, and the second side is provided with a first electric connection structure. The earplug shell is provided with an earplug end and a second connecting end which are opposite to each other, the second connecting end is rotatably connected to the first side, the earplug end is eccentric to a first central axis of the first connecting end, a loudspeaker is arranged in the earplug end, the camera shell is provided with a camera end and a third connecting end which are opposite to each other, and the third connecting end is provided with a second electric connection structure. The second electric connection structure is detachably connected to the first electric connection structure and is electrically conducted with the first electric connection structure, the earphone can have a shooting function, the sound playing function of the earphone can be continuously used in an area where shooting is forbidden, the influence of adjustment of the wearing position of the earphone on the shooting range of the camera is small, and the use convenience of the earphone is good.
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Description

Technical Field

[0001] This utility model relates to the field of headphone technology, and in particular to a headphone. Background Technology

[0002] With technological advancements, users have increasingly diverse functional requirements for headphones, including a growing demand for camera-taking capabilities. However, when users need to enter areas where photography is prohibited, they must remove and store the headphones with camera functionality to avoid violating regulations, thus rendering the headphone's sound playback function unusable.

[0003] Furthermore, when the wearing position of the headphones needs to be adjusted, the position of the camera on the headphones will also change, affecting the shooting range, making the headphones less convenient to use. Utility Model Content

[0004] The purpose of this utility model is to provide an earphone that can have a shooting function, and the earphone's sound playback function can continue to be used in areas where shooting is prohibited. The adjustment of the earphone's wearing position has little impact on the camera's shooting range, and the earphone is easy to use.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] Provide an earphone, comprising:

[0007] The ear hook housing includes an ear hook portion and a first connecting end connected to the ear hook portion. The first connecting end has a first side and a second side opposite to each other along its own first central axis. The second side is provided with a first electrical connection structure. The ear hook housing also contains a battery.

[0008] An earbud housing having opposing earbud ends and a second connecting end, the second connecting end being rotatably connected to the first side, the earbud ends being eccentric to the first central axis, and a speaker being disposed within the earbud ends, the speaker being electrically connected to the battery; and...

[0009] A camera housing has a camera end and a third connection end. The third connection end is provided with a second electrical connection structure, which is detachably connected to the first electrical connection structure and electrically connected to the first electrical connection structure. The camera end has a through hole and a camera is provided inside the camera end. The camera can collect external light through the through hole and is electrically connected to the second electrical connection structure.

[0010] As a preferred technical solution for the aforementioned headphones, the eccentricity d between the second central axis and the first central axis at the earbud end satisfies: 5mm≤d≤25mm.

[0011] As a preferred embodiment of the aforementioned headphones, the earbud end is located on the outer periphery of the first connecting end, and the earbud end can rotate along the direction surrounding the first central axis to abut against the end of the ear hook connected to the first connecting end.

[0012] As a preferred technical solution of the aforementioned headphones, the first electrical connection structure includes a plurality of first conductive posts located in the first connection end and a plurality of jacks disposed on the second side. The first conductive posts are electrically connected to the battery. The plurality of first conductive posts are divided into multiple rows spaced apart. Each row includes a plurality of first conductive posts arranged at intervals. The plurality of jacks are provided one-to-one with the plurality of first conductive posts.

[0013] The second electrical connection structure includes a plurality of second conductive posts. One end of each second conductive post is located inside the third connection end and electrically connected to the camera. The other end of each second conductive post extends out of the third connection end. The plurality of second conductive posts are arranged at intervals corresponding to the plurality of first conductive posts. Each second conductive post can be inserted into the corresponding socket and electrically connected to the corresponding first conductive post.

[0014] As a preferred technical solution for the aforementioned earphone, the edge of the third connection end is provided with a raised ring, and when the second electrical connection structure is connected to the first electrical connection structure, the raised ring is fitted around the outer periphery of the second side.

[0015] As a preferred technical solution for the aforementioned earphones, the second side is further provided with a first magnetic attracting component, and the third connecting end is also provided with a corresponding second magnetic attracting component, wherein the first magnetic attracting component can magnetically attract the second magnetic attracting component.

[0016] As a preferred technical solution of the aforementioned headphones, the first connecting end is provided with at least two first magnetic attractors at intervals, the third connecting end is provided with at least two second magnetic attractors, and the polarity orientation of at least one of the first magnetic attractors is opposite to that of the other first magnetic attractor.

[0017] As a preferred technical solution for the aforementioned earphone, the camera housing further includes a connecting tube connected between the camera end and the third connecting end. The interior of the connecting tube is connected to the interior of both the camera end and the third connecting end. The size of the connecting tube is smaller than the size of the camera end along a direction perpendicular to the length of the connecting tube.

[0018] As a preferred embodiment of the earphone, the ear hook includes a widened end away from the first connecting end, and the battery is disposed within the widened end.

[0019] As a preferred technical solution for the aforementioned headphones, a circuit board is further provided inside the ear hook shell, and the battery is electrically connected to the first electrical connection structure through the circuit board. At least one communication module is provided on the circuit board.

[0020] The beneficial effects of this utility model are as follows:

[0021] By setting a first electrical connection structure at the first connection end and a second electrical connection structure at the third connection end, and making the second electrical connection structure detachably connected to the first electrical connection structure, the camera can be electrically connected to the battery through the second and first electrical connection structures when the camera housing is connected to the first connection end at the third connection end, thus enabling the camera function. Furthermore, the user can detach the camera housing from the ear hook housing by disconnecting the third connection end from the first connection end, allowing for separate storage of the camera housing and camera when the camera function is not needed, while still allowing the headphone speaker to play sound. Therefore, when the user needs to enter an area where filming is prohibited, the camera housing and camera can be detached and stored separately without affecting the normal use of the headphone speaker.

[0022] Furthermore, by rotatably connecting the second connecting end of the earbud shell to the first side of the first connecting end, and detachably connecting the third connecting end to the second side of the first connecting end via the first electrical connection structure and the second electrical connection structure, the mutual interference between the camera shell and the earbud shell can be avoided. In other words, by connecting the second connecting end and the third connecting end to the two opposite sides of the first connecting end respectively, the rotation of the earbud shell relative to the first connecting end will not cause the camera shell to move, thus not affecting the shooting range of the camera, and the earphone is more convenient to use. Attached Figure Description

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0024] Figure 1 This is a schematic diagram of the structure of the headphones when worn by the user, as described in the embodiment.

[0025] Figure 2 This is a schematic diagram of the structure of the earphone (with the camera housing removed separately) as described in the embodiment when worn by the user.

[0026] Figure 3 This is a three-dimensional structural diagram of the headphones described in the embodiment.

[0027] Figure 4 This is a three-dimensional structural diagram of the earphone (with the camera housing and ear hook housing separated) described in the embodiment.

[0028] Figure 5 This is a three-dimensional structural diagram of the ear hook housing, earplug housing, and other components disposed in the ear hook housing and earplug housing as described in the embodiment.

[0029] Figure 6 This is an exploded view of the structure of the ear hook housing, earplug housing, and other components provided in the ear hook housing and earplug housing as described in the embodiment.

[0030] Figure 7 This is a three-dimensional structural diagram of the camera housing and other components disposed on the camera housing as described in the embodiment.

[0031] Figure 8 This is an exploded view of the camera housing and other components disposed on the camera housing as described in the embodiment.

[0032] In the picture:

[0033] 100. Headphones;

[0034] 1. Ear hook housing; 10. Ear hook part; 101. Widened end; 11. First connecting end; 110. First central axis; 111. First side; 112. Second side; 113. First electrical connection structure; 113a. First conductive post; 114. First magnetic chuck; 12. Battery;

[0035] 2. Earbud housing; 21. Earbud end; 210. Second central axis; 22. Second connecting end; 23. Speaker;

[0036] 3. Camera housing; 31. Camera end; 310. Through hole; 32. Third connection end; 320. Second electrical connection structure; 320a. Second conductive post; 321. Convex ring; 322. Second magnetic chuck; 33. Camera; 34. Connecting cylinder. Detailed Implementation

[0037] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0038] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0039] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0040] like Figures 1 to 4 As shown, this utility model provides an earphone 100, including an ear hook housing 1, an earbud housing 2, and a camera housing 3. The ear hook housing 1 includes an ear hook portion 10 and a first connecting end 11 connected to the ear hook portion 10. The first connecting end 11 has a first side 111 and a second side 112 opposite to each other along its own first central axis 110. The second side 112 is provided with a first electrical connection structure 113. A battery 12 is also provided inside the ear hook housing 1. The earbud housing 2 has an opposite earbud end 21 and a second connecting end 22. The second connecting end 22 is rotatably connected to the first side 111. The earbud end 21 is eccentric to the first central axis 110 of the first connecting end 11. A speaker 23 is provided inside the earbud end 21 and the speaker 23 is electrically connected to the battery 12. The camera housing 3 has an opposite camera end 31 and a third connecting end 32. The third connecting end 32 is provided with a second electrical connection structure 320 (see [link to relevant documentation]). Figure 7 The second electrical connection structure 320 is detachably connected to the first electrical connection structure 113 and is electrically connected to the first electrical connection structure 113. The camera end 31 has a through hole 310 and a camera 33 is provided inside the camera end 31. The camera 33 can collect external light through the through hole 310 and is electrically connected to the second electrical connection structure 320.

[0041] By providing a first electrical connection structure 113 at the first connection end 11 and a second electrical connection structure 320 at the third connection end 32, the second electrical connection structure 320 is detachably connected to the first electrical connection structure 113. This allows the camera housing 33 to be electrically connected to the battery 12 via the second electrical connection structure 320 and the first electrical connection structure 113 when the third connection end 32 is connected to the first connection end 11, thus enabling the camera function. Furthermore, the user can detach the third connection end 32 from the first connection end 11 to separate the camera housing 3 from the ear hook housing 1, allowing for separate storage of the camera housing 3 and camera 33 when the camera function is not needed, while still allowing the headphone 100's speaker 23 to continue playing sound. Therefore, when the user needs to enter a prohibited area, the camera housing 3 and camera 33 can be detached and stored separately without affecting the normal use of the headphone 100's speaker 23. Figure 1 The image exemplarily illustrates the structure of the headphones 100 when worn by a user. Figure 2 The diagram illustrates the structure when the ear hook housing 1 and earplug housing 2 are worn by the user, and the camera housing 3 is removed and stored away.

[0042] Furthermore, by rotatably connecting the second connecting end 22 of the earbud housing 2 to the first side 111 of the first connecting end 11, and by detachably connecting the third connecting end 32 to the second side 112 of the first connecting end 11 via the first electrical connection structure 113 and the second electrical connection structure 320, the mutual interference between the camera housing 3 and the earbud housing 2 can be avoided. In other words, by connecting the second connecting end 22 and the third connecting end 32 to the two opposite sides of the first connecting end 11 respectively, the earbud housing 2 will not cause the camera housing 3 to move when it rotates relative to the first connecting end 11, thus not affecting the shooting range of the camera 33, and the headphone 100 is more convenient to use.

[0043] like Figures 3 to 7As shown, the second central axis 210 of the earbud end 21 has an eccentricity d with the first central axis 110. This eccentricity d is approximately the distance between the first central axis 110 and the central axis of most users' external ear canals when the earphone 100 is worn by the user. The distance between the first central axis 110 and the central axis of most users' external ear canals varies depending on the specific radial dimension design of the first connecting end 11. Specifically, a larger radial dimension of the first connecting end 11 results in a larger distance between the first connecting end 11 and the central axis of the external ear canal, and stronger structural stability, but also a larger volume and poorer user comfort. Conversely, a smaller radial dimension of the first connecting end 11 results in a smaller distance between the first connecting end 11 and the central axis of the external ear canal, and a smaller volume. The smaller the diameter, the better the user's wearing comfort, but the worse the structural stability of the first connection end 11. Therefore, in order to make the earphone 100 suitable for most users and to ensure both the stability of the first connection end 11 and the wearing comfort of the earphone 100, the eccentricity d between the second central axis 210 and the first central axis 110 of the earbud end 21 should not be too small or too large. Based on this, the eccentricity d between the second central axis 210 and the first central axis 110 of the earbud end 21 can optionally satisfy: 5mm≤d≤25mm. For example, the eccentricity d can be 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm or 25mm, etc.

[0044] Since the ear hook portion 10, when worn by the user, is located behind the user's ear at the end away from the first connection end 11, it has a large amount of redundant adjustable space. Based on this, the ear hook portion 10 may optionally include a widened end 101 away from the first connection end 11, and a battery 12 is provided in the widened end 101. Thus, the ear hook portion 10 can accommodate a larger battery 12, which is beneficial for the battery 12 to support the operation of the speaker 23 and the camera 33 for a longer period of time, thereby making the battery life of the earphone 100 longer.

[0045] Optionally, the ear hook housing 1 is also provided with a circuit board (not shown in the figure), and the battery 12 is electrically connected to the first electrical connection structure 113 through the circuit board. The circuit board is provided with at least a communication module, so that it can receive and transmit data through the communication module, so that the speaker 23 can play the corresponding sound according to the data received by the communication module, and can also perform AI (Artificial Intelligence) control on the earphone 100 according to the received data. The communication module may include, but is not limited to, a Bluetooth module and a Wi-Fi (wireless network communication technology) module.

[0046] Optionally, a storage module may also be provided on the circuit board, and the camera 33 can transmit the collected data to the storage module for storage.

[0047] Optionally, the earbud end 21 is located on the outer periphery of the first connecting end 11, and the earbud end 21 can rotate in the direction surrounding the first central axis 110 to abut against the end of the ear hook portion 10 connected to the first connecting end 11. This allows the earbud housing 2 to be limited by the end of the ear hook portion 10 connected to the first connecting end 11, thereby limiting the extreme position of the earbud housing 2 relative to the ear hook housing 1. This avoids the problem of excessive rotation of the earbud housing 2 relative to the ear hook housing 1, which would cause excessive tangling of the wiring between the earbud housing 2 and the ear hook housing 1.

[0048] The first electrical connection structure 113 and the second electrical connection structure 320 can be detachably connected in a variety of different ways.

[0049] In one optional embodiment, the first electrical connection structure 113 includes a plurality of first conductive posts 113a located within the first connection end 11 and a plurality of sockets (not labeled) located on the second side 112. The first conductive posts 113a are electrically connected to the battery 12, and the plurality of sockets are arranged one-to-one with the plurality of first conductive posts 113a. The second electrical connection structure 320 includes a plurality of second conductive posts 320a. One end of the second conductive post 320a is located within the third connection end 32 and electrically connected to the camera 33, and the other end of the second conductive post 320a extends out of the third connection end 32. The plurality of second conductive posts 320a... The first conductive posts 113a are arranged at intervals corresponding to each other. Each second conductive post 320a can be inserted into the corresponding socket and electrically connected to the corresponding first conductive post 113a. This allows the second electrical connection structure 320 to be detachably plugged into the first electrical connection structure 113, and prevents the first conductive post 113a from protruding from the surface of the second side 112. This avoids the situation where the user touches the first conductive post 113a and causes electrical conduction with the battery 12 when wearing the ear hook shell 1 and earplug shell 2 after removing the camera housing 3. This improves the safety of using the earphone 100.

[0050] In other embodiments, the first conductive post 113a may extend out of the second side 112, and multiple sockets may be provided on the third connecting end 32 corresponding to the multiple first conductive posts 113a. Multiple second conductive posts 320a may be provided inside the third connecting end 32 corresponding to the multiple sockets, so that each first conductive post 113a can be inserted into the corresponding socket and electrically connected to the corresponding second conductive post 320a.

[0051] Optionally, the multiple first conductive posts 113a are arranged in multiple rows with intervals, and each row includes multiple first conductive posts 113a arranged at intervals. In this case, the socket and the second conductive posts 320a are also arranged in multiple rows with intervals, so that the various connection positions when the second electrical connection structure 320 is connected to the first electrical connection structure 113 are arranged in multiple rows, which can improve the connection stability between the second electrical connection structure 320 and the first electrical connection structure 113, thereby improving the stability of the camera 33 in use. Figure 6 and Figure 8 As shown, Figure 6 and Figure 8 The example shows that the first conductive post 113a, the second conductive post 320a, and the sockets are arranged in two rows with four in each row.

[0052] In another optional embodiment, the second side 112 is further provided with a first magnetic member 114, and the third connecting end 32 is also provided with a corresponding second magnetic member 322. The first magnetic member 114 can be magnetically attracted to the second magnetic member 322 so that the second electrical connection structure 320 can be detachably abutted against the first electrical connection structure 113.

[0053] Optionally, the first electrical connection structure 113 includes a plurality of first conductive posts 113a, which are spaced apart and arranged at the first connection end 11. The second electrical connection structure 320 includes a plurality of second conductive posts 320a, which correspond one-to-one with the plurality of first conductive posts 113a and are spaced apart and arranged at the third connection end 32. When the first magnetic attractor 114 can magnetically attract the second magnetic attractor 322, the end of each second conductive post 320a abuts against the end of each first conductive post 113a. The end of the first conductive post 320a may be flush with the surface of the second side 112, and the end of the second conductive post 320a may be flush with the surface of the third connecting end 32. Alternatively, the end of the first conductive post 113a may extend slightly beyond the surface of the second side 112, and the end of the second conductive post 320a may be flush with the surface of the third connecting end 32 or located inside the third connecting end 32. Alternatively, the end of the first conductive post 113a may be flush with the surface of the second side 112 or located inside the first connecting end 11, and the end of the second conductive post 320a may extend slightly beyond the surface of the third connecting end 32.

[0054] Optionally, the first connecting end 11 is provided with at least two first magnetic attractors 114 spaced apart, and the third connecting end 32 is provided with at least two second magnetic attractors 322. The polarity orientation of at least one first magnetic attractor 114 is opposite to that of the other first magnetic attractor 114, thereby playing a foolproof role, so that the first connecting end 11 and the third connecting end 32 can only be magnetically connected by the first magnetic attractor 114 and the second magnetic attractor 322 in a specific relative posture.

[0055] In another optional embodiment, while the second electrical connection structure 320 and the first electrical connection structure 113 can be detachably plugged into each other, a first magnetic suction member 114 is provided on the second side 112, and a second magnetic suction member 322 is correspondingly provided on the third connection end 32, so as to improve the connection stability between the second electrical connection structure 320 and the first electrical connection structure 113.

[0056] Optionally, the edge of the third connecting end 32 is provided with a raised ring 321. When the second electrical connecting structure 320 is connected to the first electrical connecting structure 113, the raised ring 321 is fitted around the outer periphery of the second side 112. This facilitates the alignment of the second electrical connecting structure 320 and the first electrical connecting structure 113 by the engagement of the raised ring 321 with the second side 112. Furthermore, the connection between the second electrical connecting structure 320 and the first electrical connecting structure 113 can be further improved by the connection of the raised ring 321 with the second side 112.

[0057] Optionally, the camera housing 3 also includes a connecting cylinder 34 connected between the camera end 31 and the third connecting end 32. The interior of the connecting cylinder 34 is connected to the interior of both the camera end 31 and the third connecting end 32. The size of the connecting cylinder 34 is smaller than that of the camera end 31 in the direction perpendicular to the length of the connecting cylinder 34, so that the camera end 31 can be adapted to accommodate a larger camera 33, and the connecting cylinder 34 can be adapted to accommodate thin conductive wires. The structure of the camera housing 3 is more compact and reasonable.

[0058] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings, and are used only for ease of description and simplification of operation. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are merely used for distinction in description and have no special meaning.

[0059] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0060] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0061] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.

Claims

1. An earphone, characterized in that, include: The ear hook housing includes an ear hook portion and a first connecting end connected to the ear hook portion. The first connecting end has a first side and a second side opposite to each other along its own first central axis. The second side is provided with a first electrical connection structure. The ear hook housing also contains a battery. An earplug housing has opposing earplug ends and a second connecting end, the second connecting end being rotatably connected to the first side, the earplug ends being eccentric to the first central axis, and a speaker being provided inside the earplug ends, the speaker being electrically connected to the battery; as well as, A camera housing has a camera end and a third connection end. The third connection end is provided with a second electrical connection structure, which is detachably connected to the first electrical connection structure and electrically connected to the first electrical connection structure. The camera end has a through hole and a camera is provided inside the camera end. The camera can collect external light through the through hole and is electrically connected to the second electrical connection structure.

2. The earphone according to claim 1, characterized in that, The eccentricity d between the second central axis and the first central axis at the earplug end satisfies: 5mm≤d≤25mm.

3. The earphone according to claim 1, characterized in that, The earplug end is located on the outer periphery of the first connecting end, and the earplug end can rotate in a direction around the first central axis to abut against the end of the ear hook that is connected to the first connecting end.

4. The earphone according to claim 1, characterized in that, The first electrical connection structure includes a plurality of first conductive posts located in the first connection end and a plurality of sockets disposed on the second side. The first conductive posts are electrically connected to the battery. The plurality of first conductive posts are divided into multiple rows with intervals. Each row includes a plurality of first conductive posts arranged at intervals. The plurality of sockets are disposed one-to-one with the plurality of first conductive posts. The second electrical connection structure includes a plurality of second conductive posts. One end of each second conductive post is located inside the third connection end and electrically connected to the camera. The other end of each second conductive post extends out of the third connection end. The plurality of second conductive posts are arranged at intervals corresponding to the plurality of first conductive posts. Each second conductive post can be inserted into the corresponding socket and electrically connected to the corresponding first conductive post.

5. The earphone according to claim 1, characterized in that, The edge of the third connection end is provided with a raised ring. When the second electrical connection structure is connected to the first electrical connection structure, the raised ring is fitted around the outer periphery of the second side.

6. The headphones according to any one of claims 1-5, characterized in that, The second side is also provided with a first magnetic attracting element, and the third connecting end is also provided with a corresponding second magnetic attracting element. The first magnetic attracting element can magnetically attract the second magnetic attracting element.

7. The earphone according to claim 6, characterized in that, The first connecting end is provided with at least two first magnetic attractors at intervals, and the third connecting end is provided with at least two second magnetic attractors, and the polarity orientation of at least one of the first magnetic attractors is opposite to that of the other first magnetic attractor.

8. The headphones according to any one of claims 1-5, characterized in that, The camera housing also includes a connecting cylinder connected between the camera end and the third connecting end. The interior of the connecting cylinder is connected to the interior of both the camera end and the third connecting end. The size of the connecting cylinder is smaller than the size of the camera end in a direction perpendicular to the length of the connecting cylinder.

9. The headphones according to any one of claims 1-5, characterized in that, The ear hook portion includes a widened end away from the first connecting end, and the battery is disposed within the widened end.

10. The headphones according to any one of claims 1-5, characterized in that, The ear hook housing is also provided with a circuit board, and the battery is electrically connected to the first electrical connection structure through the circuit board. The circuit board is provided with at least one communication module.