CN210490025U

CN210490025U - A accessory for mobile terminal

Info

Publication number: CN210490025U
Application number: CN201921088099.XU
Authority: CN
Inventors: 陈运基; 高岩; 刘�东
Original assignee: Anker Innovations Co Ltd
Current assignee: Anker Innovations Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-08
Anticipated expiration: 2029-07-11

Abstract

An accessory for a mobile terminal includes an accessory body, a connector, and a wireless transmit circuit. The connector is rotatably disposed on the accessory body, electrically coupled to the accessory body, and configured to electrically connect with the interface of the mobile terminal. The wireless transmitting circuit is arranged on the connector and/or the accessory body, electrically coupled with the connector, and at least used for transmitting a wireless signal, so that the mobile terminal can be wirelessly connected with an external device. Through the mode, the mobile terminal can be matched with the mobile terminal more flexibly.

Description

A accessory for mobile terminal

Technical Field

The application relates to the field of accessories of mobile terminals, in particular to an accessory of a mobile terminal.

Background

Due to the fact that the use requirements of people on mobile terminals such as smart phones, tablet computers and intelligent wearable devices are higher and higher, the mobile terminals are gradually developed to be light, thin and full-screen.

However, it is a common practice in the industry to save interfaces of the mobile terminal, such as an earphone interface, a charging interface, etc., so that the connection between the mobile terminal and the outside world becomes very limited. At present, mobile terminals are often used without accessories, such as game pads, mobile power supplies, sound equipment, earphones and the like. If the accessory occupies the interface of the mobile terminal, the mobile terminal is difficult to perform other connection, and if the accessory performs wireless connection through the Bluetooth of the mobile terminal, the problems of high delay and unstable connection occur.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application mainly solved provides an accessory for mobile terminal, can cooperate mobile terminal's use better.

In order to solve the technical problem, the application adopts a technical scheme that: an accessory for a mobile terminal is provided that includes an accessory body, a connector, and a wireless transmit circuit. The connector is rotatably disposed on the accessory body, electrically coupled to the accessory body, and configured to electrically connect with the interface of the mobile terminal. The wireless transmitting circuit is arranged on the connector and/or the accessory body, electrically coupled with the connector, and at least used for transmitting a wireless signal, so that the mobile terminal can be wirelessly connected with an external device.

Compared with the prior art, the beneficial effects of this application are: the connector is rotatably arranged on the accessory main body, so that when the accessory is connected with the mobile terminal, the position of the connector can be adjusted to be conveniently connected with an interface of the mobile terminal, the wireless transmitting circuit is electrically coupled with the connector, so that after the connector is connected with the mobile terminal, the mobile terminal can transmit a wireless signal by using the wireless transmitting circuit to be wirelessly connected with external equipment, the external wireless transmitting circuit enables the wireless transmission speed to be faster and more stable, the wireless transmission function of the mobile terminal without the wireless transmission function is increased, the transmission delay is lower and more stable than that of the mobile terminal with Bluetooth, the wireless transmitting circuit and the accessory main body can work simultaneously, the situation that the mobile terminal cannot be well connected with other external equipment due to the fact that the connector occupies the interface of the mobile terminal is avoided, the accessory of the embodiment can support low-delay wireless connection while the accessory function is ensured to be realized, more application scenes are provided for the mobile terminal, and the use of the mobile terminal is guaranteed.

Drawings

FIG. 1 is a schematic block diagram of a circuit configuration of an accessory embodiment for a mobile terminal according to the present application;

FIG. 2 is a schematic view of a use case of an accessory embodiment for a mobile terminal according to the present application;

FIG. 3 is a schematic structural diagram of an accessory embodiment for a mobile terminal according to the present application;

FIG. 4 is a schematic view of the construction of the fitting body in the configuration shown in FIG. 3;

FIG. 5 is a schematic view of the connector in the configuration shown in FIG. 3;

FIG. 6 is another schematic diagram of an accessory embodiment for a mobile terminal according to the present application;

fig. 7 is a schematic structural diagram of an accessory embodiment for a mobile terminal according to the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The inventor of the present application finds, through long-term research, that if a mobile terminal such as a mobile phone needs to be developed to be thinner or to be fully screen-shielded, the utilization rate of the internal space needs to be improved, which causes the internal space to be more and more tense. When the mobile terminal is used, the earphone, the charging, and the like cannot be used at the same time. And at present, the mobile terminal is often used without accessories such as a game pad, a mobile power supply, a sound box, an earphone and the like. If the accessory occupies the interface of the mobile terminal, the mobile terminal is difficult to be connected in other ways, and certainly, the wireless connection can be performed by using the Bluetooth, but the Bluetooth transmission delay of the mobile terminal is higher, the transmission rate is slow, and the high-requirement transmission scenes such as game scenes are difficult to meet, so that the problem of unstable and unsmooth connection is easily caused. In order to solve or improve the above technical problem, the present application proposes the following embodiments.

The accessory 1 described in the present application for accessory embodiments of a mobile terminal may be a game accessory device, such as a game pad (as shown in fig. 2), a mobile power source (such as a charger baby or a charger back clip, as shown in fig. 6), a portable audio device, or a smart cover (as shown in fig. 7). The accessory 1 of the embodiment can be applied to a mobile terminal 2, such as a smart phone, a tablet computer, a notebook computer, an intelligent wearable device, and the like. Of course, the accessory 1 of the embodiment can also be applied to other electronic devices, such as computers and other terminals.

Referring to fig. 1, the accessory 1 of the present embodiment may include an accessory body 11, a connector 12, and a wireless transmission circuit 13.

Referring to fig. 2 and 3, the connector 12 is rotatably provided to the fitting body 11 so that the connector 12 can rotate relative to the fitting body 11. The connector 12 can adjust the position of the connector 12 by relative rotation with the accessory body 11 so as to better connect the interface of the mobile terminal 2.

The connector 12 may be used to electrically connect with an interface of the mobile terminal 2. Such as the connector 12 contacts or plugs an interface of the mobile terminal 2 to make an electrical connection. In the embodiment, the connector 12 and the accessory body 11 may be electrically coupled, so that when the connector 12 is connected to the mobile terminal 2, the accessory body 11 can be electrically coupled to the mobile terminal 2, so as to achieve interaction and corresponding functions between the accessory 1 and the mobile terminal 2. For example, in the case of a gamepad, interaction between the gamepad and the mobile terminal 2 may be implemented and may be used to manipulate the mobile terminal 2.

The wireless transmission circuit 13 is provided to the connector 12 or the accessory main body 11. Of course, the wireless transmission circuit 13 may be partially provided in the connector 12 and partially in the accessory main body 11. The portion located at the connector 12 and the portion located at the accessory body 11 are electrically coupled to realize the function of the wireless transmission circuit 13. The wireless transmission circuit 13 may be coupled to the connector 12 at least for transmitting wireless signals. When the connector 12 is connected to the mobile terminal 2, the mobile terminal 2 can transmit a wireless signal through the wireless transmission circuit 13, so that wireless connection with the external device 3 can be made through the wireless signal.

The external device 3 is a mobile terminal such as a mobile phone, a tablet computer, and a notebook computer, for example, and the external device 3 may be connected to the mobile terminal 2 through the wireless transmission circuit 13. The external device 3 is, for example, a digital device such as a wireless earphone, a wireless joystick, a wireless audio, a wireless mouse, or a wireless keyboard other than the accessory 1 of the present embodiment, and the mobile terminal 2 can be wirelessly connected to these wireless digital devices via the wireless transmission circuit 13.

In the embodiment, the connector 12 is rotatably disposed on the accessory main body 11, so that when the accessory 1 is connected to the mobile terminal 2, the position of the connector 12 can be adjusted, which is convenient for adapting to the interface of the mobile terminal 2. The wireless transmitting circuit 13 is electrically coupled to the connector 12, after the connector 12 is connected to the mobile terminal 2, the mobile terminal 2 can transmit a wireless signal to wirelessly connect with the external device 3 by using the wireless transmitting circuit 13, the external wireless transmitting circuit 13 enables the wireless transmission speed to be faster and more stable, the wireless transmission function of the mobile terminal 2 without the wireless transmission function is increased, the transmission delay is lower and more stable than that of the mobile terminal 2 with bluetooth, the wireless transmitting circuit 13 and the accessory main body 11 can simultaneously work, the situation that the mobile terminal 2 cannot be well connected with other external devices 3 because the connector 12 occupies the interface of the mobile terminal 2 is avoided, the accessory 1 of the embodiment can support the low-delay wireless connection while ensuring the function of the accessory 1, and provide more application scenes for the mobile terminal 2, the use of the mobile terminal 2 is guaranteed.

As shown in fig. 2, taking the accessory 1 as an example of a game auxiliary device, the game auxiliary device is inserted into an interface of the mobile terminal 2 through the connector 12, so that the game auxiliary device realizes better operation performance, thereby reducing the time delay of data transmission between the game auxiliary device and the mobile terminal 2, and simultaneously, the mobile terminal 2 and the external device 3 can establish a high-quality wireless connection through the wireless transmitting circuit 13 on the game auxiliary device, for example, the external device 3 is a wireless earphone. The mobile terminal 2 is in the process of playing the game and the audio signal can be directly transmitted to the wireless transmitting circuit 13 in the game auxiliary device and transmitted to the earphone through the wireless transmitting circuit 13. The sound collected by the wireless earphone through the microphone can also be transmitted to the mobile terminal 2 through the wireless transmitting circuit 13 in the game auxiliary device. Therefore, the game auxiliary device can realize good control performance and low-delay audio transmission, and achieves better game experience through control and audio promotion.

The accessory body 11 is, for example, a body portion that realizes the function of the accessory 1. The fitting body 11 is electrically coupled to the connector 12. For example, the connector 12 is provided with the first circuit board 120, the accessory body 11 is provided with the second circuit board 111, and the first circuit board 120 and the second circuit board 111 are coupled.

Taking the accessory 1 as an example of a game support device, the accessory body 11 can realize functions such as control operations of a game in the mobile terminal 2. Referring to fig. 4, the accessory main body 11 may include, for example, a housing (not labeled), a second circuit board 111 disposed in the housing, and a key (not labeled) protruding from the housing. The user can activate the second circuit board 111 by pressing a key to implement corresponding functions, such as start, pause, game manipulation, and the like. Of course, the accessory body 11 may further include a joystick (not shown) disposed in the housing for manipulating the game. The present embodiment does not limit the components and functions included in the accessory main body 11, and may include components and functions implemented by a game auxiliary device in the related art or on the market, for example.

As shown in fig. 3 and 4, the fitting body 11 may be a single body, or may include two or more sub-bodies. If the accessory body 11 is a single unit, the interface of the mobile terminal 2 is plugged through the connector 12. If the fitting body 11 includes two or more sub-bodies, the connector 12 may be rotatably disposed in one of the sub-bodies, and the sub-bodies may be connected by wire or wirelessly. As shown in fig. 4, one of the two sub-bodies of the accessory body 11 may be plugged into the interface of the mobile terminal 2 through the connector 12, and the other sub-body may be fixed at an end of the mobile terminal 2 opposite to the interface, so that a user can hold the accessory body 11, which is beneficial for operation.

As shown in fig. 3 and 4, the accessory main body 11 may be formed with a notch portion 110, and the connector 12 may be partially disposed in the notch portion 110. The connector 12 can be rotated to make the portion of the connector 12 for plugging the mobile terminal 2 out of the notch 110, and also make the portion of the first connector 12 not for plugging the mobile terminal 2 be accommodated in the notch 110. In this way, the provision of the notch 110 in the metal fitting body 11 can protect the connector 12 and also can provide an aesthetic appearance.

Notch 110 extends through at least one side of fitting body 11. In the present embodiment, the notch portion 110 may penetrate three sides of the fitting body 11, and one example of the notch portion 110 is given below:

as shown in fig. 4, the fitting body 11 includes two oppositely disposed first side walls 11a and a second side wall 11b connected between the first side walls 11 a. The first side wall 11a and the second side wall 11b enclose a notch 110. For example, a portion of the connector 12 is rotatably connected between the two first side walls 11a and is spaced apart from the second side wall 11 b. The connector 12 rotates to drive other portions of the connector 12 to be located outside the notch 110 or to be accommodated in the notch 110.

By providing the two first side walls 11a and the second side walls 11b, the connector 12 can be rotatably disposed, the connector 12 can be rotated more conveniently and flexibly between the two first side walls 11a, and the notch 110 defined by the first side walls 11a and the second side walls 11b can facilitate the accommodation of the connector 12.

As shown in fig. 3, the connector 12 may include a connection block 121 and at least one interface member 122. At least one interface member 122 is provided to the connection holder 121. In some embodiments, at least one interface piece 122 and the connection seat 121 may be fixed relative to each other. Specifically, one end of the interface 122 is disposed on the connection seat 121, and the other end of the interface 122 is used for connecting with an interface of the mobile terminal 2, for example, the other end of the interface 122 can be plugged into the interface of the mobile terminal 2.

In the present embodiment, the connection base 121 is rotatably connected to the accessory main body 11. In other embodiments, the connection base 121 may be fixedly connected to the fitting body 11 by, for example, means such as screws or bolts, or may be fixedly connected by means such as adhesion or bonding, or may be fixedly connected by integrally molding a housing of the connection base 121 and a housing of the fitting body 11. Further, the connection holder 121 and the accessory body 11 may be fixedly connected by magnetic attraction. Of course, the fixed or rotatable connection of the connection seat 121 to the fitting body 11 may also be detachable.

The interface 122 is rotatable relative to the fitting body 11. The rotational direction shown in fig. 3 is only a schematic direction and does not limit the rotational direction of the interface member 122. In the present embodiment, the interface 122 is rotatable with respect to the accessory body 11 together with the joint base 121. In other embodiments, the connection seat 121 and the fitting body 11 are relatively fixed, and the interface 122 can rotate relative to the connection seat 121 and the fitting body 11.

As for the interface element 122 capable of rotating together with the connecting seat 121 relative to the accessory main body 11, referring to fig. 3 to 5, the present embodiment may further include a rotating element 14, and the connecting seat 121 may be connected to the accessory main body 11 through the rotating element 14. Specifically, the rotating member 14 may be connected to the accessory main body 11 within the notch portion 110, so that the connecting seat 121 may be rotatably connected to the accessory main body 11, and so that the at least one interface member 122 may be received within the notch portion 110 by rotation.

Further, the rotating member 14 is rotatably connected between the two first side walls 11a and is spaced apart from the second side wall 11 b. The connecting base 121 can be rotatably disposed between the two first sidewalls 11a by the rotating member 14. The connecting seat 121 can rotate to drive at least one interface piece 122 to rotate, so that the position of the interface piece 122 can be adjusted to enable the interface piece 122 to be located outside the notch portion 110 or to be accommodated in the notch portion 110.

The rotating element 14 is disposed in a shaft shape, such as a rotating shaft, and can penetrate through the connecting seat 121 along the length direction of the connecting seat 121 and extend out of at least one end of the connecting seat 121, such as two ends of the connecting seat 121. A portion of the rotating shaft extending out of the connecting seat 121 may further penetrate through the accessory body 11, so that the connecting seat 121 may rotate around the axis of the rotating member 14, and the connecting seat 121 rotates relative to the accessory body 11.

The rotation member 14 is, for example, a shaft-shaped protrusion protruding from at least one end of the connection base 121 in the longitudinal direction of the connection base 121, and the protrusion may be inserted into the fitting body 11 so that the connection base 121 can rotate relative to the fitting body 11.

As shown in fig. 4 and 5, the two first side walls 11a may be respectively opened with a shaft receiving hole 1110 at a side far from the second side wall 11b, and the rotating member 14 may be embedded in the shaft receiving hole 1110, so as to realize the rotational connection between the connecting seat 121 and the fitting body 11. The shaft receiving hole 1110 is opened at a side of the first side wall 11a not connected to the second side wall 11b, so that the area between the connection holder 121, the second side wall 11b and the two first side walls 11a can be used to receive the interface 122.

The present embodiment can rotate relative to the accessory main body 11 by setting the interface 122, and conveniently adjusts the position of the interface 122 by rotating the interface 122, so as to be adaptable to the interface position of the mobile terminal 2, and the notch 110 is also convenient for receiving the interface 122.

In the present embodiment, the number of the interface pieces 122 of the connector 12 may be greater than or equal to two. As shown in fig. 5, taking two interface pieces 122 as an example, the two interface pieces 122 are respectively disposed on two opposite sides of the connecting seat 121. Of course, two opposite sides of the connecting seat 121 may be provided with a groove or an opening, and one end of the two interface members 122 may be connected to the connecting seat 121 through the groove or the opening.

In the present embodiment, the two interface members 122 are disposed opposite to each other, which means that the angle formed by the two interface members 122 may be greater than or equal to 90 ° and less than or equal to 180 °.

The two interface pieces 122 are, for example, fixedly connected to two opposite sides of the connection seat 121, one end of each of the two interface pieces 122 is connected to the connection seat 121, and the other end can be used for plugging an interface of the mobile terminal 2. The two interface members 122 can be rotated to switch positions, and the appropriate interface member 122 can be adjusted to connect the mobile terminal 2.

For example, when one interface member 122 is plugged into an interface of the mobile terminal 2, the other interface member 122 is located in the notch portion 110. When another interface piece 122 needs to be used, the other interface piece 122 is switched to the outside of the notch portion 110 by rotation for inserting the interface of the mobile terminal 2, and one interface piece 122 can be rotatably accommodated in the notch portion 110, so that the suitable interface piece 122 can be conveniently switched to match with the mobile terminal 2.

The two interface members 122 may be of the same or different types. The two interface members 122 can be micro-USB interface, Type-c USB interface, Lighting interface (common interface of APPLE inc.), and other interfaces. The two interface pieces 122 may be different, for example one is a Type-c USB interface and the other is a Lighting interface. The two interface pieces 122 are arranged in different types in the embodiment, so that the accessory 1 can be adapted to more types of mobile terminals 2, the use scenes of the accessory 1 in the embodiment are enriched, and the requirements of different mobile terminals 2 in the market are met.

As shown in fig. 5, a first circuit board 120 may be disposed in the connection seat 121 and respectively coupled to two interface members 122. The circuit boards of the two interface members 122 may be common, i.e., the first circuit board 120. The circuit boards of the two interface members 122 may also be independent of each other, and constitute the first circuit board 120. The circuit boards of the two interface members 122 may also be partially shared and separated to form the first circuit board 120. The interface piece 122 may be coupled to the second circuit board 111 of the fitting body 11 through the first circuit board 120.

The wireless transmission circuit 13 is, for example, a wireless 2.4G chip. The wireless transmitting circuit 13 may be disposed on the first circuit board 120 in the connecting socket 121. For example, may be integrated on the first circuit board 120 of the connection socket 121. The wireless transmitting circuit 13 may also be disposed in the housing of the accessory main body 11, and coupled to the connector 12, and specifically, coupled to the first circuit board 120 of the connector 12. For example, the wireless transmission circuit 13 may be provided on the second circuit board 111 of the accessory body 11. The wireless transmission circuit 13 may be disposed adjacent to the connection holder 121 when it is located in the housing of the accessory body 11, facilitating the connection of the wireless transmission circuit 13 and the connector 12. By disposing the wireless transmission circuit 13 in the accessory main body 11, more space is allowed for disposing the wireless transmission circuit 13 for more rational circuit design.

The wireless transmitting circuit 13 may be used to transmit wireless signals, and after the connector 12 is coupled to the mobile terminal 2, the mobile terminal 2 may transmit wireless signals through the wireless transmitting circuit 13. Of course, the wireless transmitting circuit 13 can also be used for receiving wireless signals, so as to facilitate wireless connection of the mobile terminal 2 with other external devices 3. Of course, the wireless transmitting circuit 13 may also be other types of circuits, chips or devices.

The present embodiment can reduce power consumption by the accessory 1 by using the wireless 2.4G chip as the wireless transmission circuit 13, thereby reducing power consumption of the mobile terminal 2, and at the same time, the wireless 2.4G chip can provide high-rate data transmission and reliability of connection, so that transmission delay is lower.

In other embodiments, as shown in fig. 6, for example, the accessory 1 is a portable power source, and the accessory main body 11A is a part having a charging function. The accessory body 11A includes, for example, a housing (not labeled), a second circuit board 111A disposed in the housing, and a battery cell (not shown) coupled to the second circuit board 111A. As the mobile power supply, a charging circuit (not shown), a boosting circuit (not shown), an overcurrent/overvoltage protection circuit (not shown), and the like may be disposed on the second circuit board 111A. The mobile power source may also include an LED indicator light (not labeled). The connector 12A may be coupled to the second circuit board 111A, and after the connector 12A is connected to the mobile terminal 2, the mobile power source may be implemented to charge the mobile terminal 2. Of course, the portable power source can also be made into a charging back clip shape. The structure of the connector 12A and the like can refer to the description of the above embodiment, for example, including the connecting seat 121A and at least one interface 122A, and the interface 112A is electrically coupled to the wireless transmitting circuit 13A.

As shown in fig. 7, for example, the accessory 1 is a smart boot, and the accessory body 11B may include a housing (not labeled), a second circuit board 111B disposed in the housing, and a display screen (not labeled) exposed on the surface of the housing. The connector 12B may be coupled to the second circuit board 111B. After the connector 12B is connected to the mobile terminal 2, the smart case can protect the mobile terminal 2, and at the same time, the display screen of the smart case can display at least part of the contents on the mobile terminal 2, such as time, information, incoming call condition, and the like. For the structure of the connector 12B, reference may be made to the above description of the present embodiment, for example, the connector 12B includes a connecting seat 121B and at least one interface 122B, and the interface 112B is electrically coupled to the wireless transmitting circuit 13B.

In summary, in the embodiment, the connector 12 for interface connection with the mobile terminal 2 is provided, the accessory main body 11 and the wireless transmitting circuit 13 are respectively coupled to the connector 12, when the connector 12 is connected to the interface of the mobile terminal 2, the accessory main body 11 is electrically coupled to the mobile terminal 2 to implement a corresponding function, and the wireless transmitting circuit 13 can provide a high-speed, stable, and low-delay wireless connection manner for the mobile terminal 2, so that the mobile terminal 2 and the external device 3 can be wirelessly connected more stably and more quickly, the accessory 1 of the embodiment expands a wireless interface while implementing the corresponding function, thereby enriching a use scene of the mobile terminal 2, and facilitating the development of the mobile terminal 2 and the like toward lightness and thinness.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims

1. An accessory for a mobile terminal, comprising:

a fitting body;

the connector is rotatably arranged on the accessory main body, is electrically coupled with the accessory main body and is used for electrically connecting with an interface of the mobile terminal;

the wireless transmitting circuit is arranged on the connector and/or the accessory body, electrically coupled with the connector and at least used for transmitting a wireless signal so that the mobile terminal can be in wireless connection with external equipment.

2. The fitting according to claim 1, wherein:

the connector includes a connecting base and at least one interface piece, the at least one interface piece is disposed on the connecting base, and the connecting base is rotatably connected to the accessory body.

3. The fitting according to claim 2, wherein:

the fitting further comprises a swivel, by means of which the connection socket is rotatably connected to the fitting body, so that the at least one interface piece together with the connection socket can swivel relative to the fitting body.

4. The fitting according to claim 3, wherein:

the accessory main body is formed with a notch portion within which the rotating member is connected to the accessory main body so that the at least one interface member can be received within the notch portion or located outside the notch portion by rotation.

5. The fitting according to claim 4, wherein:

the accessory main part includes two relative first lateral walls that set up and connect in second lateral wall between the first lateral wall, first lateral wall with the second lateral wall encloses and establishes into breach portion, rotate piece rotatable coupling two between the first lateral wall, and with second lateral wall interval sets up.

6. The fitting according to claim 5, wherein:

the rotating piece is arranged in a shaft shape, the length direction of the connecting seat is convexly arranged at two ends of the connecting seat in the length direction, two shaft receiving holes are correspondingly formed in one side, far away from the second side wall, of the first side wall, and the rotating piece is embedded in the shaft receiving holes.

7. The fitting according to any of claims 4-6, wherein:

the number of the at least one interface piece is two, and the two interface pieces are respectively arranged on two opposite side surfaces of the connecting seat; and/or the presence of a gas in the gas,

the two said interface members are of different types.

8. The fitting according to claim 7, wherein:

when one of the two interface pieces is plugged into the interface of the mobile terminal, the other of the two interface pieces is positioned in the notch part.

9. The fitting according to any one of claims 2 to 5, wherein:

the wireless transmitting circuit is a wireless 2.4G chip;

the wireless transmitting circuit comprises a connecting seat, a wireless transmitting circuit and a wireless receiving circuit, wherein a first circuit board is arranged in the connecting seat, and the wireless transmitting circuit is arranged on the first circuit board; or, be provided with the second circuit board in the accessory main part, wireless transmitting circuit set up in on the second circuit board.

10. The fitting according to claim 1, wherein:

the accessory is one of auxiliary device, stereo set, treasured, the protective sheath of charging in playing.