Separated display screen wearing device

Abstract

The invention provides a separated display screen wearing device. The separated display screen wearing device comprises a wrist strap assembly and a display screen assembly. The wrist strap assembly comprises a connecting part and a strap body connected with the connecting part, can be worn by a user, and can measure physiological information and motion information of the user when the user wears the wrist strap assembly. The display screen component comprises a display screen and can be used for executing intelligent functions. The connecting part of the wrist strap assembly and the display screen assembly respectively comprise a first magnetic attraction structure and a second magnetic attraction structure which correspond to each other, and the display screen assembly can be detachably combined on the wrist strap assembly through mutual attraction of the first magnetic attraction structure and the second magnetic attraction structure. Therefore, the wrist strap assembly and the display screen assembly can be separated and execute functions respectively, or can be combined with each other to execute functions of the wrist strap assembly and the display screen assembly at the same time and display the functions on a display screen of the display screen assembly.

Description

Technical Field

[0001] This invention relates to a wearable device, and more particularly to a detachable display wearable device having a display screen and a wristband that are detachable from each other. Background Technology

[0002] With the advancement of the technology industry, smart wearable devices such as smartwatches and smart bracelets have become increasingly popular among consumers in recent years due to their convenience, making them one of the most actively developing areas in the industry. Smart bracelets are lighter and more compact than smartwatches, focusing on allowing users to monitor their health and track their activity during daily life or exercise. Smartwatches, on the other hand, offer more comprehensive functionality. In addition to the functions of a smart bracelet, they may also include features such as answering calls, checking emails, accessing social media, playing music, and voice assistants. However, their drawback is that to accommodate these functions, smartwatches are typically bulkier and consume more power, making them less suitable for wearing during exercise. Furthermore, because smartwatches are worn on the wrist, their display size is limited by the width of the wrist, making it less convenient for users to operate the touchscreen.

[0003] Based on the differences between smartwatches and smart bracelets, users can currently only choose one of them to wear depending on the occasion. However, there are still some occasions where users may need both a smartwatch and a smart bracelet at the same time. The current design of smartwatches and smart bracelets will still cause inconvenience to users in these occasions. Summary of the Invention

[0004] In view of this, one aspect of the present invention is to provide a detachable display wearable device to solve the problems of the prior art. According to a specific embodiment of the present invention, the detachable display wearable device includes a wristband assembly and a display screen assembly, wherein the wristband assembly includes a connecting portion and a strap connecting the connecting portion, and the connecting portion includes a first magnetic attraction structure, while the display screen assembly includes a display screen and a second magnetic attraction structure. The wristband assembly is for use by a user and measures the user's physiological and motion information when worn. The display screen assembly is used to perform a smart function. The first magnetic attraction structure corresponds to the second magnetic attraction structure, and the display screen assembly can be detachably assembled onto the wristband assembly through the mutual attraction of the first and second magnetic attraction structures.

[0005] In summary, the detachable display wearable device of the present invention allows users to choose whether to integrate its display screen assembly with the wristband assembly, switching between smartwatch and smart bracelet functions depending on the user's application scenario. This achieves the functionality of both a smartwatch and a smart bracelet in a single device. Furthermore, the display screen assembly and the wristband assembly can be powered and charged separately. The display screen of the display screen assembly is extendable, making it easier for users to operate the smartwatch function. Therefore, compared to existing smartwatches or smart bracelets, the detachable display wearable device of the present invention offers greater convenience and a wider range of application scenarios. Attached Figure Description

[0006] Figure 1 This is a schematic diagram illustrating a detachable display wearable device according to a specific embodiment of the present invention.

[0007] Figure 2 This is a functional block diagram illustrating a detachable display wearable device according to a specific embodiment of the present invention.

[0008] Figure 3 This is a schematic diagram illustrating the first magnetic structure of a wristband assembly according to another specific embodiment of the present invention.

[0009] Figure 4 The diagram illustrates a first magnetic attraction structure and a second magnetic attraction structure according to another specific embodiment of the present invention.

[0010] Symbol Explanation

[0011] 1: Wearable device with detachable display screen

[0012] 10, 20: Wristband assembly

[0013] 12: Screen Components

[0014] 100, 200: Connecting parts

[0015] 102: Band

[0016] 120: Display screen

[0017] 122, 322: Second magnetic attraction structure

[0018] 1000, 2000, 3000: First magnetic attraction structure

[0019] 1002: Wristband Screen

[0020] 1003: First Communication Module

[0021] 1004: Physiological Sensors

[0022] 1005: Motion Sensor

[0023] 1006: First Processor

[0024] 1007: Wristband Power Module

[0025] 123: Second communication module

[0026] 124: Second Processor

[0027] 125: Screen power module

[0028] S: Terminal equipment

[0029] 201: First Magnet Group

[0030] 3008: First Annular Component

[0031] 3009: First Magnet Group

[0032] 3220: Second ring component

[0033] 3222: Second magnet group Detailed Implementation

[0034] To make the advantages, spirit, and features of the present invention more easily and clearly understood, detailed descriptions and discussions will follow with reference to specific embodiments and the accompanying drawings. It is important to note that these specific embodiments are merely representative examples of the present invention, and the specific methods, apparatuses, conditions, materials, etc., exemplified are not intended to limit the present invention or the corresponding specific embodiments. Furthermore, the devices in the figures are only used to illustrate their relative positions and are not drawn to scale; this is to be stated beforehand.

[0035] In the description of this specification, references to terms such as "one embodiment," "another embodiment," or "part of the embodiment," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment is included in at least one embodiment of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments.

[0036] Please see Figure 1 , Figure 1 This is a schematic diagram illustrating a detachable display screen wearable device 1 according to a specific embodiment of the present invention. Figure 1As shown, in this specific embodiment, the detachable display wearable device 1 includes a wristband assembly 10 and a display screen assembly 12. The wristband assembly 10 has a connecting portion 100 and a strap body 102, wherein the strap body 102 is connected to the connecting portion 100, and the two ends can be combined to make the wristband assembly 10 form a loop, thereby allowing the user to wear it on their limbs, especially on their wrist, and move with the user. The connecting portion 100 of the wristband assembly 10 has a first combination structure, which in this specific embodiment is a first magnetic attraction structure 1000, which is located in the connecting portion 100 and can provide a magnetic attraction effect to the outside of the connecting portion 100. In addition, the connecting portion 100 of the wristband assembly 10 may also include physiological sensors and motion sensors to sense the physiological and motion information of the user wearing the wristband assembly 10, such as, but not limited to, heart rate, respiration, movement rate, or number of steps.

[0037] The display screen assembly 12 has a display screen 120 and a second combined structure. In this specific embodiment, the second combined structure is a second magnetic structure 122. The display screen 120 can display the smart functions provided by the display screen assembly 12 or the data stored internally, and may also have touch functionality. In practical applications, the display screen assembly 12 can serve as the display unit of a wearable smart device, such as the body and surface of a smartwatch, thereby providing smart functions such as answering calls, viewing emails, social media, playing music, and voice assistant functions, but is not limited to these. The second magnetic structure 122 can be disposed in the display screen assembly 12 and close to the opposite side of the display screen 120 to provide a magnetic attraction effect. Furthermore, the placement of the second magnetic structure 122 corresponds to the position of the first magnetic structure 1000 in the connecting portion 100. Through the mutual attraction of the first magnetic structure 1000 and the second magnetic structure 122, the display screen assembly 12 can be detachably combined with the wristband assembly 10. In this specific embodiment, the display screen assembly 12 is detachably combined with the wristband assembly 10 by means of the first magnetic attraction structure 1000 and the second magnetic attraction structure 122. However, in practice, it is not limited to this. Any device or structure that can combine the display screen assembly 12 and the wristband assembly 10 can be used as the first combination structure and the second combination structure of the present invention.

[0038] As described above, when the display screen assembly 12 is separated from the wristband assembly 10, the wristband assembly 10 can be worn by the user alone, thereby achieving functions such as detecting the user's physiological and motion information, that is, it can be used as a smart bracelet. On the other hand, when the display screen assembly 12 is combined with the wristband assembly 10 through the first magnetic structure 1000 and the second magnetic structure 122, the display screen assembly 12 and the wristband assembly 10 can be worn by the user together. In addition to achieving the aforementioned functions such as detecting the user's physiological and motion information, it can also provide intelligent functions such as answering calls, viewing emails, social media, playing music, and voice assistant functions, that is, it can be used as a smartwatch.

[0039] In this specific embodiment, the display screen assembly 12 and the wristband assembly 10 are respectively combined with corresponding magnetic structures (first magnetic structure 1000 and second magnetic structure 122). Therefore, their combination and separation are more convenient than other combination methods, such as locking methods. Thus, in practice, users can easily switch the detachable display screen wearable device 1 between a smartwatch and a smart bracelet depending on the application, without needing to purchase two devices for different application scenarios. Furthermore, when changing application scenarios, such as wanting to use the smartwatch function directly after exercise, users only need to combine the display screen assembly 12 with the worn wristband assembly 10 directly, without even needing to remove the wristband assembly 10. In summary, the detachable display screen wearable device 1 of the present invention has extremely high convenience.

[0040] Furthermore, since the wristband assembly 10 of this specific embodiment can be used independently as a smart bracelet, it may include a wristband screen 1002 located on the connecting part 100, but in practice, the position of the wristband screen is not limited to this. The wristband screen 1002 can be connected to the aforementioned physiological sensor and motion sensor, and can be used to display the physiological and motion information of the user wearing the wristband assembly 10, as well as other information, such as time. The user can wear the wristband assembly 10 independently for exercise and view their own physiological and motion information through the wristband screen 1002.

[0041] As previously described, the display screen assembly 12 and the wristband assembly 10 can be magnetically combined. The connected display screen assembly 12 can perform smart functions and display user physiological and motion information sensed by the wristband assembly 10. Please refer to... Figure 2 , Figure 2 This is a functional block diagram illustrating a detachable display screen wearable device 1 according to a specific embodiment of the present invention. Figure 2As shown in this specific embodiment, the wristband assembly 10 of the detachable display wearable device 1 includes a first communication module 1003, a physiological sensor 1004, a motion sensor 1005, and a first processor 1006 connecting the above three components. The first processor 1006 can receive physiological and motion information sensed by the physiological sensor 1004 and the motion sensor 1005. The display screen assembly 12 further includes a second communication module 123 and a second processor 124, wherein the second processor 124 can be connected to the second communication module 123 and the display screen 1002. When the wristband assembly 10 and the display screen assembly 12 are combined through the first magnetic structure 1000 and the second magnetic structure 122 as described in the aforementioned specific embodiment, the first communication module 1003 and the second communication module 123 can communicate with each other. The second processor 124 can obtain the physiological and motion information sensed by the wristband assembly 12 through the first communication module 1003 and the second communication module 123, and display it on the display screen 1002. In addition, the second processor 124 can also control the first communication module 1003 to communicate wirelessly with the external terminal device S to perform intelligent functions such as answering phone calls, viewing emails, and social media, as mentioned above.

[0042] On the other hand, such as Figure 2 As shown, the wristband assembly 10 further includes a wristband power module 1007 to supply power to the wristband assembly 10, and the display screen assembly 12 further includes a screen power module 125 to supply power to the display screen assembly 12. Both can have charging functions, so the wristband assembly 10 and the display screen assembly 12 can be charged independently. As mentioned above, the display screen assembly 12 has smartwatch functionality, and its power consumption is higher than that of the wristband assembly 10, requiring frequent charging. The design of separately supplying power and charging the wristband assembly 10 and the display screen assembly 12 of the present invention allows the smart bracelet function of the wristband assembly 10 to continue to be used while the display screen assembly 12 is being charged. For example, the user can wear the wristband assembly 10 while sleeping to sense physiological information during sleep, while simultaneously charging the separate display screen assembly 12.

[0043] Because the relative positions of the watch face and the strap are fixed in conventional watches or smartwatches, users can only view and operate the watch face from a single direction, thus limiting its usage scenarios. The detachable display wearable device of this invention combines the display screen assembly and the wristband assembly via magnetic attraction. Therefore, through the design of the magnetic structure, it is possible to combine the display screen assembly and the wristband assembly at different angles, allowing users to operate the detachable display wearable device in various postures. For details on the design of the magnetic structure, please refer to the following specific embodiments. It should be noted that the following specific embodiments are merely examples of magnetic structure design and are not intended to limit the invention to these magnetic structure designs.

[0044] Please see Figure 3 , Figure 3 This is a schematic diagram illustrating a first magnetic structure 2000 of a wristband assembly 20 according to another specific embodiment of the present invention. Please note that, for the sake of brevity, Figure 3 Only the first magnetic structure 2000 is shown in the connecting part 200 of the wristband assembly 20, while other units in the connecting part 200 are omitted.

[0045] like Figure 3 As shown, the connecting portion 200 of the wristband assembly 20 in this specific embodiment has a square structure. At each of the four corners of the connecting portion 200, there is a first magnet group 201. Each first magnet group 201 consists of two magnets connected with their N poles facing their S poles. Furthermore, the first magnet groups 201 are arranged in the same manner at all four corners of the connecting portion 200. On the other hand, in this specific embodiment, the display screen assembly (not shown)... Figure 3 The second magnetic structure also has four sets of second magnets at the corresponding positions of each first magnet set 201. Each second magnet set also contains two magnets connected with their N poles facing each other. It should be noted that the N and S poles of the two magnets in the first magnet set 201 are reversed compared to the N and S poles of the two magnets in the second magnet sets, allowing the first and second magnet sets to attract each other with their N poles facing each other. By providing identical first magnet sets 201 at the four corners of the connecting part 200 and corresponding but oppositely polarized second magnet sets on the display screen assembly, the display screen assembly can be combined with the wristband assembly 200 in four different directions by rotating 90 degrees. Therefore, users can combine the display screen assembly and wristband assembly according to their needs, making it more convenient to use. Furthermore, although the connecting part 200 in this specific embodiment has a square structure, its shape is not limited to this in practice. It can also be designed as a disc or other shape that can support the display screen assembly. By setting the four sets of first magnets as described above, the effect of combining the display screen assembly with the wristband assembly in four different directions by rotating it 90 degrees can be achieved.

[0046] In this specific embodiment, the two magnets of the first magnet group 201 and the second magnet group are joined with their N poles facing their S poles, which strengthens the magnetic field at the joint and concentrates the external magnetic field. The attraction range is also increased due to the synergistic effect of the two magnets, resulting in a stronger magnetic attraction force in a specific area, enabling the attraction of larger or heavier objects. Therefore, the display screen assembly and the wristband assembly can be combined from different directions using the first and second magnetic attraction structures of this specific embodiment. The resulting separate display screen wearable device is also quite stable, preventing the display screen assembly from accidentally detaching.

[0047] Please see Figure 4 , Figure 4This is a schematic diagram illustrating a first magnetic structure 3000 and a second magnetic structure 322 according to another specific embodiment of the present invention. Note that the first magnetic structure 3000 and the corresponding second magnetic structure 322 are respectively disposed in the wristband assembly and the display screen assembly, but for the sake of simplicity, [the following is omitted as it is not part of the schematic diagram]. Figure 4 Only the first magnetic structure 3000 and the corresponding second magnetic structure 322 are shown, while other units of the wristband assembly and display screen assembly are omitted.

[0048] like Figure 4 As shown, the first magnetic attraction structure 3000 of this specific embodiment includes a first annular member 3008 and a plurality of first magnet groups 3009, which are arranged at equal intervals on the first annular member 3008. The second magnetic attraction structure 322 includes a second annular member 3220 and a plurality of second magnet groups 3222, which are arranged at equal intervals on the second annular member 3220. The second annular member 3220 and the second magnet groups 3222 are positioned corresponding to the first annular member 3008 and the first magnet groups 3009, and are arranged with the N pole facing the S pole. Therefore, the display screen assembly and the wristband assembly can be combined with each other by a one-to-one magnetic attraction between the first magnet groups 3009 and the second magnet groups 3222. Furthermore, since the first magnet group 3009 and the second magnet group 3222 are both arranged at the same interval on the first annular member 3008 and the second annular member 3220, the display screen assembly can be combined with the wristband assembly in different directions corresponding to the interval. The user can choose the combination direction of the display screen assembly and the wristband assembly according to their needs, so that the display screen can face the user in various postures, making it more convenient to use.

[0049] In addition, the display screen assembly 12 in the aforementioned specific embodiments can be an extendable screen. When the display screen assembly 12 is combined with the wristband assembly 10, its display screen 120 can extend outward (for example, the display screen 120 can be a flexible display panel), thereby increasing the display area and the touch area. Therefore, users can operate the display screen assembly 12 more easily, improving the convenience of using its smart functions.

[0050] In the aforementioned specific embodiments, after the display screen component 12 is assembled with the wristband component 10, it can communicate with the first communication module 1003 and the second communication module 123 to perform intelligent functions or display physiological and motion information, such as... Figure 2As shown. However, because the display screen assembly and wristband assembly of a detachable display wearable device can be used separately or in combination, in some application scenarios, the display screen assembly must identify whether it is the default wristband assembly and determine whether its smart functions can be fully utilized. For example, if a user loses the display screen assembly, it is necessary to prevent the person who finds it from directly accessing the internal data of the display screen assembly using a different wristband assembly, or when a user wants to borrow someone else's display screen assembly to display the physiological and motion information sensed by the wristband assembly.

[0051] In one specific embodiment of the present invention, the above-described application scenario can be achieved through an authentication method for the wristband component by the display screen assembly of a detachable display wearable device. Please note that the authentication method of this specific embodiment can be achieved through, for example... Figures 1 to 2 This is achieved through a separate display wearable device 1, therefore the following description of this method is based on each unit of the separate display wearable device 1.

[0052] First, the wristband assembly 10 and the display screen assembly 12 are in a separate state and each performs its own function. When the display screen assembly 12 is combined by the mutual attraction of the first magnetic structure 1000 and the second magnetic structure 122, the second communication module 123 of the display screen assembly 12 can receive verification information about the wristband assembly 10 transmitted from the first communication module 1003. In practice, the second processor 124 of the display screen assembly 12 can determine whether to request and receive the verification information from the wristband assembly 10 based on whether the signal strength (RSSI signal) between the first communication module 1003 and the second communication module 123 is greater than a threshold. After the display screen component 12 receives the verification information from the wristband component 10, the second processor 124 first compares the verification information with the authentication list stored in the display screen component 12. When the second processor 124 confirms that the verification information matches the authentication list, that is, the wristband component 10 is in the authentication list stored in the display screen component 12, the display screen component 12 opens its smart functions for the user wearing the wristband component 10. The user can also obtain and display the information of the wristband component 10 through the display screen component 12.

[0053] If the second processor 124 of the aforementioned display screen component 12 confirms that the verification information does not match the authentication list, that is, the wristband component 10 is not in the authentication list stored in the display screen component 12, the second processor 124 of the display screen component 12 displays the verification procedure requirements for the user wearing the wristband component 10 on its display screen 120. The user of the wristband component 10 can verify according to the verification procedure, for example, by entering a verification code. When the second processor 124 confirms that the verification procedure is successful, the display screen 120 of the display screen component 12 can be enabled to display the physiological and motion information sensed by the wristband component 10. In this way, when the user's own detachable display screen wearable device 1's display screen component 12 is lost, charged, or placed in another location, another person's display screen component 12 can be temporarily borrowed to view the physiological information, motion information, or time sensed by the wristband component 10. In addition, when the second processor 124 confirms that the verification procedure fails, the display screen component 12 can generate a warning message indicating that the verification failed and will not enable any functions of the display screen component 12. In this situation, even if the display screen component 12 is lost, if the display screen component 12 is found, it cannot be arbitrarily combined with any wristband component 10 to obtain the data stored in the display screen component 12, nor can the smart functions of the display screen component 12 and the function of displaying physiological and motion information of the wristband component 10 be used. In this way, it can prevent malicious persons from stealing information or misusing the display screen component 12.

[0054] In summary, the detachable display wearable device of the present invention uses a magnetic structure to separate and combine the display screen assembly and the wristband assembly, enabling both smart bracelet and smartwatch functions in various application scenarios without the need to purchase separate smart bracelets and smartwatches. The magnetic attraction method makes the combination and separation of the display screen assembly and wristband assembly simpler, and the arrangement of the magnetic structure allows the user to determine the orientation of the display screen assembly and wristband assembly. Furthermore, the display screen assembly can be extended to increase the display area and touch panel area. The detachable display wearable device also features a special verification procedure between the display screen assembly and the wristband assembly to prevent the theft of information within the display screen assembly. Therefore, the detachable display wearable device of the present invention offers greater convenience in use and a wider range of applications.

[0055] The detailed description of the preferred embodiments above is intended to more clearly illustrate the features and spirit of the present invention, and is not intended to limit the scope of protection of the present invention by means of the preferred embodiments disclosed above. Rather, the aim is to cover various modifications and equivalent arrangements within the scope of protection of the claims of the present invention. Therefore, the scope of protection of the claims of the present invention should be interpreted in the broadest possible sense based on the foregoing description, so as to cover all possible modifications and equivalent arrangements.

Claims

1. A wearable device with a detachable display screen, comprising: A wristband assembly includes a connecting portion and a strap body connecting the connecting portion, the connecting portion including a first assembly structure. The wristband assembly is for a user to wear and, when worn by the user, measures physiological and kinematic information of the user. A display screen assembly includes a display screen and a second assembly structure corresponding to the first assembly structure of the wristband assembly, the display screen assembly being used to perform a smart function; in, The display screen assembly is detachably assembled onto the wristband assembly by combining the first assembly structure and the second assembly structure.

2. The wearable device with a detachable display screen as described in claim 1, characterized in that, The first assembly structure is a first magnetic attraction structure, and the second assembly structure is a second magnetic attraction structure. The connecting part is square in shape. The first magnetic attraction structure includes multiple sets of first magnets, which are respectively disposed at multiple corners of the square connecting part. The second magnetic attraction structure includes multiple sets of second magnets corresponding to the first magnets. The display screen assembly can be assembled on the wristband assembly in different directions by the mutual attraction between the first magnets and the second magnets.

3. The wearable device with a detachable display screen as described in claim 2, characterized in that, Each of the first magnet groups comprises two magnets joined together with their N poles facing their S poles, and each of the second magnet groups comprises two magnets joined together with their N poles facing their S poles. The N poles and S poles of the two magnets in each of the first magnet groups correspond to the S poles and N poles of the two magnets in each of the second magnet groups, such that each of the first magnet groups and each of the second magnet groups can attract each other.

4. The wearable device with a detachable display screen as described in claim 1, characterized in that, The first assembly structure is a first magnetic attraction structure, and the second assembly structure is a second magnetic attraction structure. The first magnetic attraction structure includes a first annular member and multiple sets of first magnet groups, which are spaced apart on the first annular member. The second magnetic attraction structure includes a second annular member and multiple sets of second magnet groups, which are spaced apart on the second annular member. The display screen assembly can be assembled onto the wristband assembly in different directions by the mutual attraction between the first magnet groups and the second magnet groups.

5. The wearable device with a detachable display screen as described in claim 1, characterized in that, The wristband assembly includes a physiological sensor and a motion sensor. The physiological sensor is used to measure the user's physiological information when the user wears the wristband assembly, and the motion sensor is used to measure the user's motion information when the user wears the wristband assembly. The wristband assembly also includes a wristband screen connected to the physiological sensor and the motion sensor, and the wristband screen is used to display the physiological information and the motion information.

6. The wearable device with a detachable display screen as described in claim 1, characterized in that, The wristband assembly further includes a first communication module, and the display screen assembly further includes a second communication module. The first communication module and the second communication module are used to communicate with each other when the display screen assembly is combined with the wristband assembly.

7. The wearable device with a detachable display screen as described in claim 6, characterized in that, The display screen assembly further includes a processor connected to the second communication module and the display screen. The processor is used to verify the wristband module based on a verification message received by the second communication module from the first communication module when the display screen assembly is combined with the wristband assembly.

8. The wearable device with a detachable display screen as described in claim 7, characterized in that, The processor is used to compare the verification information of the wristband component with a list of certified individuals when the display screen component is combined with the wristband component. When the verification information matches the list of certified individuals, the processor controls the display screen component to perform the smart function. When the verification information does not match the list of certified individuals, the processor controls the display screen component to request a verification procedure from the user. When the verification procedure is successful, the processor controls the display screen component to display the physiological information and motion information of the user measured by the wristband component.

9. The wearable device with a detachable display screen as described in claim 1, characterized in that, The display screen of the display screen assembly is an extendable screen, which is used to extend the display screen assembly to increase the display area when the display screen assembly is combined with the wristband assembly.

10. The wearable device with a detachable display screen as described in claim 1, characterized in that, The wristband assembly includes a wristband power module for supplying power to the wristband assembly, and the display screen assembly includes a screen power module for supplying power to the display screen assembly.

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