Feature 1Car transmission adapter, convert factory wired CarPlays to wireless CarPlays, plug and play, convenient to use. 2It can provide you with a smarter way to use your phone in the car, and make driving safer. 3You can control the system with car's built-in display and control keys, or the phone's voice assistant. 4After the first connection is successful, the phone will auto connect to the transmission module when entering the vehicle again, stable connection and quick response. 5Most of the basic functions of the phone can be applied through the control panel of the car. 6It can enhance the driving experience of users and enjoy more software and services. Package List 1 * Wireless Transmission Adapter 1 * USB-A to USB-C Adapter 1 * Operating Instructions