Connection device, accessory device and connection system

Abstract

The application discloses a connecting device, an accessory device and a connecting system, and belongs to the technical field of connection. The connecting device comprises a supporting component and a functional assembly. The supporting component of the connecting device is connected with the functional component. After the terminal device is located in the second groove body of the supporting component and the functional device is located in the first groove body of the supporting component, the terminal device can be in communication connection with the functional component and can be in communication connection with the functional device. The functional device and the functional assembly can both provide corresponding functions for the terminal device, so as to improve the use experience of the user.

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