The function is used on the locomotive. The driver can touch the locomotive control panel and synchronize the mobile phone's online map, voice assistant Siri, phone, music, etc. to the car. Just like touching the mobile phone, the function of controlling and operating the mobile phone is displayed on the locomotive control panel Product features: 1. It is simple and easy to use, without disassembling the car screen, and the product can be connected with the car through USB interface 2. The product supports wireless connection and can realize plug and play/start automatic default last connection 3. Adopt 2.4Ghz authentication and 5GHz data transmission to ensure stable connection Product parameters: Power input: 5V 1-2.1A Power output: DC 5V 1-2.1A Product power consumption: 0.25W Mobile phone support:For Android mobile phone and above system, applicable to Android 6.0 and above Supported models: original models with wired CARPLAY