Bluetooth earphone allowing for switching between in-ear and open modes

Abstract

A Bluetooth earphone allowing for switching between in-ear and open modes, comprising a sound producing member, an ear hook, and an ear tip, wherein the sound producing member is provided with a sound producing hole, the ear hook is connected to the sound producing member, and in a worn state, the ear hook is configured to wrap around the auricle from the concha of a user so that the sound producing hole is arranged towards the ear canal of the user; the ear tip is detachably connected to the sound producing member and is used for transferring sound passing through the sound producing hole to the ear canal, and when the ear tip is connected to the sound producing member and the earphone in the worn state, the ear tip is configured to fit the ear canal of the user; when the ear tip is separated from the sound producing member and the earphone in the worn state, the sound producing hole is not aligned with the ear canal of the user. By switching the state of the ear tip, the user can select an in-ear mode having a better noise isolation effect or an open mode having a natural sound effect, thereby satisfying audio requirements in different environments.

Description

Earbuds and open ear switchable Bluetooth earphone TECHNICAL FIELD

[0001] The utility model relates to earphone technology field especially earbuds and open ear switchable Bluetooth earphone. BACKGROUND

[0002] OWS earphone refers to Open Wearable Stereo (open ear wearable stereo) earphone. It is a new type of wireless Bluetooth earphone, and its feature is "not ear", that is, it does not go deep into the ear canal like traditional earbuds, but is suspended on the ear through open structure design.

[0003] Because the design of OWS earphone is open rather than closed, they cannot effectively isolate external noise like earbuds. Open design may affect the performance of low frequency because sound is easy to lose bass part when it spreads in the air.

[0004] Therefore, in some noisy environment, such as inside the subway, OWS earphone is difficult to meet people's use demand. SUMMARY

[0005] The utility model provides earbuds and open ear switchable Bluetooth earphone, solve what problem or beneficial effect.

[0006] In order to solve the above technical problem, the utility model adopts the following technical scheme:

[0007] Earbuds and open ear switchable Bluetooth earphone, it includes:

[0008] Sound production piece, sound production hole is arranged to the sound production piece,

[0009] Ear hook, the ear hook is connected the sound production piece, in the wearing state, the ear hook is configured to bypass the auricle from the user's concha cavity to make the sound production hole set to the user ear canal,

[0010] Battery compartment, the ear hook is provided with battery compartment at one end away from the sound production piece,

[0011] Ear cap, the ear cap is detachably connected to the sound production piece and is used for transmitting the sound through the sound production hole to the ear canal, in the ear cap is connected the sound production piece and is in the wearing state, the ear cap is configured to be set with the user ear canal cooperation, in the ear cap is separated the sound production piece and is in the wearing state, the sound production hole is spaced apart with the user ear canal.

[0012] Further, the ear cap includes detachable connection of the sound production piece and the wearing part for cooperating with the user ear canal, the hardness of the detachable connection is greater than the hardness of the wearing part.

[0013] Further, the wearing part and the detachable part are integrally formed by two-color injection molding of soft and hard rubber.

[0014] Further, the earphone includes at least two ear caps, and the wearing parts of the at least two ear caps are different in diameter or / and length.

[0015] Further, the sound generating piece is provided with a first plug-in groove around the sound generating hole, and the ear cap includes a first plug-in part in plug-in cooperation with the first plug-in groove; or the sound generating piece is provided with a second plug-in part, and the ear cap includes a second plug-in groove in plug-in cooperation with the second plug-in part.

[0016] Further, the first plug-in part and the first plug-in groove are provided in interference fit.

[0017] Further, the sound generating piece is provided with a clamping protrusion around the sound generating hole, and the ear cap includes a clamping groove in clamping cooperation with the clamping protrusion.

[0018] Further, the sound generating piece is provided with a first magnetic attraction part, and the ear cap is provided with a second magnetic attraction part in magnetic attraction cooperation with the first magnetic attraction part.

[0019] Further, the first magnetic attraction part and the second magnetic attraction part are provided in opposite magnetic poles.

[0020] Further, the ear cap includes a wearing part for cooperation with an ear canal of a user and a sleeving part detachably connected with the sound generating piece, and the sleeving part is sleeved on the outside of the sound generating piece.

[0021] Further, the area of the sleeving part covering the sound generating piece accounts for at least one third of the outer surface of the sound generating piece.

[0022] Further, the outer surface of the sound generating piece is provided with a sleeving groove for cooperation with the sleeving part, so that the outer surface of the sleeving part is flush with the outer surface of the sound generating piece.

[0023] Further, the ear hook is provided with a battery compartment at the end away from the sound generating piece.

[0024] The earphone has the following advantages:

[0025] Firstly, the earphone design allows users to switch between in-ear and open-listening experiences according to different use scenarios and personal preferences; this flexibility enables the earphone to adapt to a wider range of use environments, such as sports, office work or daily commuting.

[0026] Secondly, by switching the state of the ear cap, the user can choose between the in-ear mode with better sound insulation effect and the open natural sound effect, meeting the audio requirements in different situations, whether enjoying immersive music experience or communicating with others in an open environment.

[0027] Thirdly, since the ear cap is detachable, it not only facilitates the user to clean the ear cap part, but also facilitates the replacement of the worn or dirty ear cap, prolonging the overall service life of the earphone. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0029] Fig. 1 is a perspective structural schematic view of the in-ear and open type switchable Bluetooth earphone embodiment;

[0030] Fig. 2 is an exploded structural schematic view of Fig. 1;

[0031] Fig. 3 is a structural schematic view of one of the in-ear and open type switchable Bluetooth earphone embodiments;

[0032] Fig. 4 is a structural schematic view of one of the in-ear and open type switchable Bluetooth earphone embodiments;

[0033] Fig. 5 is a structural schematic view of one of the in-ear and open type switchable Bluetooth earphone embodiments;

[0034] Fig. 6 is a structural schematic view of one of the in-ear and open type switchable Bluetooth earphone embodiments;

[0035] Fig. 7 is a structural schematic view of one of the in-ear and open type switchable Bluetooth earphone embodiments.

[0036] Fig. 8 is a structural schematic view of the first magnetic attraction part and the second magnetic attraction part.

[0037] Fig. 9 is a structural schematic view of the matching surface.

[0038] Marked: 10, sound emitting part; 11, sound emitting hole; 12, first plug-in slot; 13, clamping protrusion; 14, sleeve slot; 20, ear hook; 30, ear cap; 31, detachable part; 32, wearing part; 33, first plug-in part; 34, clamping slot; 35, sleeve part; 40, battery compartment; 1011, first magnetic attraction part; 1012, second magnetic attraction part; 1013, matching surface; DETAILED DESCRIPTION

[0039] For the convenience of those skilled in the art to understand, the utility model is further explained below in combination with the embodiments and the drawings, and the content mentioned in the implementation manner is not a limitation on the utility model.

[0040] As shown in FIG. 1 and FIG. 2, the in-ear and open switchable Bluetooth earphone provided by the utility model comprises a sound producing piece 10, an ear hook 20 and an ear cap 30, the sound producing piece 10 is provided with a sound hole 11, the ear hook 20 is connected to the sound producing piece 10, in the wearing state, the ear hook 20 is configured to bypass the auricle from the user's concha cavity to make the sound hole 11 set towards the user's ear canal; the ear cap 30 is detachably connected to the sound producing piece 10 and is used for transmitting the sound through the sound hole 11 to the ear canal, in the wearing state that the ear cap 30 is connected to the sound producing piece 10, the ear cap 30 is configured to be set in cooperation with the user's ear canal; in the wearing state that the ear cap 30 is separated from the sound producing piece 10, the sound hole 11 is set apart from the user's ear canal. The earphone design allows the user to switch between in-ear and open listening experiences according to different use scenarios and personal preferences, and this flexibility enables the earphone to adapt to a wider range of use environments, such as sports, office or daily commuting. By switching the state of the ear cap 30, the user can choose between the in-ear mode with better sound insulation effect and the open natural sound effect, meeting the audio requirements in different situations, whether enjoying immersive music experience or communicating in an open environment. At the same time, since the ear cap 30 is detachable, it not only facilitates the user to clean the ear cap 30 part, but also facilitates the replacement of the worn or dirty ear cap 30, prolonging the overall service life of the earphone.

[0041] As shown in FIG. 1 and FIG. 2, the end of the ear hook 20 away from the sound producing piece 10 is provided with a battery compartment 40. Setting the battery compartment 40 at the distal end of the ear hook 20 can balance the weight distribution of the earphone, avoiding the concentration of most of the weight near the ear canal, thereby reducing the pressure on the ear canal and improving the comfort of long-term wearing. The location of the battery compartment 40 at the distal end of the ear hook 20 helps to enhance the wearing stability of the earphone. Due to the weight of the battery compartment 40, the ear hook 20 can better fit the user's auricle, reducing the shaking or falling of the earphone during exercise. Setting the battery compartment 40 at the end of the ear hook 20 away from the sound producing piece 10 not only helps to balance the weight of the earphone, improve the comfort and stability of wearing, but also reasonably utilizes the space, improves the aesthetic and practicality of the product.

[0042] In some embodiments, the ear cap 30 includes a detachable part 31 detachably connected with the sound producing part 10, and a wearing part 32 for cooperating with the user's ear canal. The hardness of the detachable part 31 is greater than that of the wearing part 32. The detachable part 31 has a higher hardness, which means it is more resistant to wear and tear, and can withstand frequent plugging and unplugging operations without being easily damaged. This not only improves the service life of the ear cap 30, but also ensures the stability of each connection and reduces the inconvenience caused by unstable connection. The wearing part 32 is made of a softer material, which can better fit the shape of the user's ear canal and reduce discomfort when worn for a long time. The soft material also helps to isolate external noise and improve the quality of the audio experience. The combination of materials with different hardnesses can optimize the acoustic characteristics. The hard detachable part 31 can effectively reduce resonance and distortion during sound transmission, while the soft wearing part 32 helps to form a good sealing effect, improve low-frequency response, and enhance overall sound quality. The wearing part 32 and the detachable part 31 are integrally molded by soft and hard rubber. Specifically, the wearing part 32 and the detachable part 31 are integrally molded by soft and hard rubber. The integrated design makes the ear cap 30 a solid whole, avoiding the problem of loose or falling off between multiple parts, improving the structural strength of the product and the stability of long-term use. Through the double-color injection molding process, the ear cap 30 can be manufactured at one time, without the need for subsequent assembly steps, simplifying the production process, reducing manufacturing costs, and reducing quality problems caused by improper assembly. Integrally molding reduces the connection points between parts, thereby reducing possible failure points, making the ear cap 30 more durable and less likely to be damaged by friction or collision in daily use. The different characteristics of soft and hard rubber materials can balance comfort and functionality. The hard rubber part ensures good connection with the earphone body, while the soft rubber part provides a comfortable wearing experience and better adapts to the shape of different users' ear canals, improving the fit and sealing when worn.

[0043] In the present embodiment, the earphone includes at least two ear caps 30, and the diameters or / and lengths of the wearing parts 32 of the at least two ear caps 30 are different. Specifically, due to the differences in users' ears, in order to better adapt to the shape of different users' ear canals and improve the fit and sealing when worn, the present embodiment provides multiple models of ear caps 30, such as small, medium and large sizes according to the diameter of the wearing part 32, the inner diameter of the wearing part 32 is 6mm to 10mm, and the outer diameter is 10mm to 20mm. Or according to the length of the wearing part 32, it can be divided into single leaf, double leaf and three leaf ear caps, the double leaf ear cap in the present embodiment is formed by stacking two wearing parts 32, and the three leaf ear cap is formed by stacking three wearing parts 32. Users can choose the appropriate ear cap 30 according to their own preferences or ear size, improve the wearing comfort, and also facilitate users to replace the ear cap 30 according to different use scenarios.

[0044] As shown in FIG. 3, in one embodiment, the sound producing member (10) has a first insertion slot (12) arranged around the sound hole (11), and the ear cap (30) includes a first insertion part (33) that is inserted into the first insertion slot (12); or, the sound producing member (10) is provided with a first insertion part (33), and a second insertion part is arranged around the sound hole (11), and the ear cap (30) includes a first insertion slot (12) that is inserted into the first insertion part. Specifically, the sound hole 11 is circumferentially provided with an annular groove to form a first insertion slot 12, and the first insertion part 33 is a hard rubber ring that matches the first insertion slot 12. The matching design of the first insertion part 33 and the first insertion slot 12 can ensure the firm connection between the ear cap 30 and the sound producing member 10, prevent the ear cap 30 from accidentally falling off during sports or other activities, and enhance the overall stability of the earphone. The insertion structure reduces the wear caused by traditional screws or other fixing methods, reduces the risk of damage caused by repeated disassembly and assembly, and thus prolongs the service life of the earphone and its accessories. The insertion design makes it easy to remove and clean or replace the ear cap 30, especially for users who often sweat or use in humid environments. This design can help them maintain the sanitary state of the ear cap 30. At the same time, if the manufacturer provides a variety of sizes or types of ear caps 30 for selection, users can choose the appropriate ear cap 30 according to their own preferences or ear size, improve the wearing comfort, and also facilitate users to replace the ear cap 30 according to different use scenarios.

[0045] More preferably, the first insertion part 33 and the first insertion slot 12 are provided with an interference fit, so that the side wall of the first insertion part tightly contacts the inner wall of the first insertion slot. Interference fit means that the insertion part is slightly larger than the size of the insertion slot. This design makes the connection between the ear cap 30 and the sound producing member 10 very tight, which can effectively prevent the ear cap 30 from loosening or falling off during use, and improve the reliability of the connection. Interference fit can improve the sealing between the ear cap 30 and the sound hole 11, especially in the in-ear mode. This design helps to block external noise and improves the audio experience, especially in situations where high sound insulation effect is required.

[0046] As shown in FIG. 4, in one embodiment, the sound emitting member 10 is provided with a clamping protrusion 13 around the sound emitting hole 11, and the ear cap 30 is provided with a clamping groove 34 matched with the clamping protrusion 13; or, the sound emitting member 10 is provided with a clamping groove 34 around the sound emitting hole 11, and the ear cap 30 is provided with a clamping protrusion 13 matched with the clamping groove 34. Specifically, the sound emitting hole 11 is outwardly protruded around to form a clamping protrusion 13 in L-shaped or T-shaped cross section, and the ear cap 30 is provided with a clamping groove 34 matched with the clamping protrusion 13. Through the elastic deformation of the ear cap 30, the ear cap 30 can be fixed to the sound emitting member 10. The clamping structure allows the user to quickly install or easily detach the ear cap 30 from the sound emitting member 10 without additional tools, greatly improving the convenience of use. The clamping design ensures that the ear cap 30 can be accurately aligned with the position of the sound emitting hole 11 each time, avoiding the problem of sound transmission due to position deviation, and ensuring the consistency of audio quality. In other embodiments, the clamping protrusion 13 and the clamping groove 34 can be other forms of buckling structures, which are not described here.

[0047] Referring to FIG. 8, in other embodiments, the sound emitting member 10 is provided with a first magnetic attraction part 1011, and the ear cap 30 is provided with a second magnetic attraction part 1012 matched with the first magnetic attraction part. The magnetic attraction design allows the ear cap 30 to be quickly attracted to the sound emitting member 10, and can be easily separated when needed, greatly simplifying the user's operation process and improving the convenience of use. The magnetic attraction force can help the ear cap 30 to automatically align the position of the sound emitting hole 11, ensuring that the ear cap 30 can be accurately aligned with the sound emitting hole 11 each time, improving the installation accuracy and ensuring the quality of sound transmission. Through the design of the magnetic attraction part, the user can easily switch between in-ear and open modes, only need to simply attract or separate the ear cap 30, without complex operation. Specifically, the first magnetic attraction part and the second magnetic attraction part are oppositely arranged. Due to the opposite magnetic poles, the ear cap 30 will be naturally attracted and aligned with the position of the sound emitting member 10, ensuring that the ear cap 30 can be accurately installed around the sound emitting hole 11 without manual adjustment, while also ensuring that the sound transmission hole of the ear cap 30 is aligned with the user's ear canal, avoiding sound leakage during use.

[0048] As shown in FIGS. 5 to 7, in one embodiment, the ear cap 30 includes a sleeving part 35 detachably connected with the sound emitting member 10 and a wearing part 32 for cooperating with the user's ear canal, and the sleeving part 35 sleeves the outside of the sound emitting member 10. Specifically, the sleeving part 35 can be elastically deformed, and the design of the sleeving part 35 allows the ear cap 30 to be firmly wrapped around the outside of the sound emitting member 10, ensuring that the ear cap 30 will not easily fall off through close fitting, improving the stability of wearing.

[0049] Preferably, the outer surface of the sound generating member 10 is provided with a sleeve slot 14 for cooperating with the sleeve portion 35, so that the outer surface of the sleeve portion 35 is flush with the outer surface of the sound generating member. The design of the sleeve portion 35 flush with the outer surface of the sound generating member 10 makes the overall appearance of the earphone more concise and smooth, without protruding parts, improving the aesthetic appearance of the product. The flush design reduces the sense of strangeness of the edge of the ear cap 30, making the earphone more comfortable to wear, reducing the pressure and discomfort on the auricle, especially suitable for long-term wear. The close cooperation of the sleeve portion 35 and the sleeve slot 14 helps to form a better sealing effect, especially in the in-ear mode, which can effectively isolate external noise and improve the audio experience.

[0050] In the present embodiment, as shown in the drawings, the sleeve portion 35 covers at least one-third of the area of the sound generating member. A larger coverage area means that the contact surface between the sleeve portion 35 and the sound generating member 10 is larger, which can provide stronger fixing force and ensure that the ear cap 30 is more stable during wearing and is not easy to fall off. Specifically, the sleeve portion 35 covers one-half of the area of the sound generating member as shown in FIG. 5, two-thirds of the area of the sound generating member as shown in FIG. 6, or the entire area of the sound generating member as shown in FIG. 7. The design of the sleeve portion 35 covering a larger area of the sound generating member 10 helps to optimize the sound wave propagation path, reduce sound leakage, and improve the overall sound quality performance.

[0051] Referring to FIGS. 1-3 and 9, the wearing portion of the ear cap is an arc-shaped wearing portion, and the sound generating member includes at least a cooperating surface 1013 in a spherical segment shape for cooperating with the ear canal of the user. When the detachable portion 31 is connected to the sound generating member, the cooperating surface and the wearing portion combine to form a spherical ear-in portion. The width of the wearing portion 32 is greater than the width of the detachable portion 31. Specifically, the color of the wearing portion 32 is different from the color of the detachable portion 31. Through the above structure, the cooperating surface and the wearing portion combine to form a spherical ear-in portion, which can make the user more comfortable when wearing. Moreover, since the color of the wearing portion 32 is different from the color of the detachable portion 31, the color of the ear cap is more rich, and the ear cap has more sports style. Alternatively, in some other embodiments, the color of the wearing portion 32 is the same as the color of the detachable portion 31. Since the color of the wearing portion 32 is the same as the color of the detachable portion 31, the overall integrity of the ear cap is higher, and the color is more coordinated.

[0052] In summary, the present embodiment provides an in-ear and open type switchable Bluetooth earphone. Since the ear cap 30 is detachable, it not only facilitates the user to clean the ear cap 30, but also facilitates the replacement of the worn or dirty ear cap 30. By switching the state of the ear cap 30, the user can choose between the in-ear mode with better sound insulation effect and the open type natural sound effect, to meet the audio needs in different situations, whether it is to enjoy immersive music experience or to communicate with others in an open environment. All the technical features in the present embodiment can be freely combined according to actual needs.

[0053] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. An in-ear and open switchable Bluetooth earphone, characterized in that: The earphone comprises: a sound production member (10) provided with a sound production hole (11), an ear hook (20) connected to the sound production member (10), which is configured to bypass the pinna from the concha cavity of the user to arrange the sound production hole (11) towards the ear canal of the user in the wearing state; an ear cap (30) detachably connected to the sound production member (10) and used for transmitting the sound through the sound production hole (11) to the ear canal, which is configured to be arranged in cooperation with the ear canal of the user when the ear cap (30) is connected to the sound production member (10) and in the wearing state, and which is arranged in a spaced manner from the ear canal of the user when the ear cap (30) is separated from the sound production member (10) and in the wearing state.

2. The Bluetooth earpiece switchable between in-ear and open-ear according to claim 1, characterized in that: The ear hook (20) is provided with a battery compartment (40) at the end away from the sound production member (10).

3. The Bluetooth earpiece switchable between in-ear and open-ear modes of claim 1, wherein: The ear cap (30) comprises a detachable part (31) detachably connected to the sound production member (10) and a wearing part (32) used for cooperating with the ear canal of the user, and the wearing part (32) is connected to the detachable part (31).

4. The Bluetooth earpiece switchable between in-ear and open-ear modes of claim 1, wherein: The hardness of the detachable part (31) is greater than that of the wearing part (32).

5. The Bluetooth earpiece switchable between in-ear and open-ear modes of claim 3, wherein: The wearing part (32) and the detachable part (31) are integrally injection molded by soft and hard rubber.

6. The Bluetooth earpiece switchable between in-ear and open-ear modes of claim 3, wherein: The earphone comprises at least two ear caps (30), and the diameters and / or lengths of the wearing parts (32) of the at least two ear caps (30) are different.

7. The Bluetooth earpiece switchable between in-ear and open-ear modes according to any one of claims 1, wherein: The sound production member (10) has a first insertion groove (12) arranged around the sound production hole (11), and the ear cap (30) comprises a first insertion part (33) insertedly matched with the first insertion groove (12); or the sound production member (10) is provided with a first insertion part (33), and a second insertion part is arranged around the sound production hole (11), and the ear cap (30) comprises a first insertion groove (12) insertedly matched with the first insertion part.

8. The Bluetooth earpiece switchable between in-ear and open-ear according to claim 7, characterized in that: The first insertion part (33) and the first insertion groove (12) are arranged in an interference fit, so that the side wall of the first insertion part is tightly attached to the inner wall of the first insertion groove.

9. The Bluetooth earpiece switchable between in-ear and open-ear modes according to any one of claims 1, wherein: The sound production member (10) has a clamping protrusion (13) arranged around the sound production hole (11), and the ear cap (30) comprises a clamping groove (34) clampedly matched with the clamping protrusion (13); or the sound production member (10) has a clamping groove (34) arranged around the sound production hole (11), and the ear cap (30) comprises a clamping protrusion (13) clampedly matched with the clamping groove (34).

10. The Bluetooth earpiece switchable between in-ear and open-ear modes according to any one of claims 1, wherein: The sound production member (10) is provided with a first magnetic attraction part (1011), and the ear cap (30) is provided with a second magnetic attraction part (1012) magnetically attractedly matched with the first magnetic attraction part.

11. The Bluetooth earpiece switchable between in-ear and open-ear according to claim 10, characterized in that: The first magnetic attraction part and the second magnetic attraction part are arranged with opposite magnetic poles.

12. The Bluetooth earpiece switchable between in-ear and open-ear modes of claim 1, wherein: The ear cap (30) comprises a sleeving part (35) detachably connected with the sound production member (10) and a wearing part (32) for cooperating with the ear canal of the user, and the sleeving part (35) is sleeved on the outer side of the sound production member (10).

13. The Bluetooth earpiece switchable between in-ear and open-ear according to claim 12, characterized in that: The area of the sleeving part (35) covering the sound production member (10) accounts for at least one third of the outer surface of the sound production member.

14. The Bluetooth earpiece switchable between in-ear and open-ear according to claim 12, wherein: The outer surface of the sound production member (10) is provided with a sleeving groove (14) for cooperating with the sleeving part (35), so that the outer surface of the sleeving part (35) is flush with the outer surface of the sound production member (10).

15. The Bluetooth earpiece switchable between in-ear and open-ear modes of claim 3, wherein: The wearing part of the ear cap is an arc-shaped wearing part, and the sound production member comprises at least a spherical-concave-shaped cooperating surface (1013) for cooperating with the ear canal of the user, and when the detachable part (31) is connected with the sound production member, the cooperating surface and the wearing part combine to form a spherical-shaped ear-inserting part.

16. The Bluetooth earpiece switchable between in-ear and open-ear modes of claim 3, wherein: The width of the wearing part (32) is greater than the width of the detachable part (31).

17. The Bluetooth earphone switchable between the in-ear mode and the open mode according to claim 3, wherein the color of the wearing part (32) is different from the color of the detachable part (31).

18. The Bluetooth earphone switchable between the in-ear mode and the open mode according to claim 3, wherein the color of the wearing part (32) is the same as the color of the detachable part (31).

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