【OEM Wireless Adapter Upgrade】 Your car must be equipped with OEM Wired CarPlay(TouchScreen) or OEM Wired Android Auto(TouchScreen). Compatible with 98% of models (Excludes For BMW, For Nissan, For Changan). For iPhone iOS 10 and Android 11 phones 【1 Adapter 3 System】Equipped with Android 13.0 system, provide two systems to switch between: Insert the product into the USB/Type-C port of the car, and then use it in the interface of the original car system (according to the actual car model). In the system interface of the original car (specific to the actual model), click the icon of ''CarPlay'' ''Android Auto'' on the screen.You can enter the main interface of Android system 【Dual-Channel Switching 】Press and hold the adjustment button for 2-3 seconds to switch the CarPlay(default)or Android Auto mode to work. ( Green light for CarPlay, Blue light for Android Auto ) 【CarlinKit's New Carplay AI Box 】Experience cutting-edge technology with the integration of Android 13.0 system in your car! The CarlinKit Carplay AI Box allows for 4G connectivity via SIM card or cellphone hotspot sharing, enabling you to enjoy videos on YouTube or Netflix,Use Google Maps or Waze, and download Apps from Google Play Store 【Wireless CarPlay and Wireless Android Auto Connection】1.Plug the Adapter into the car's USB Port/Type-C Port. 2.Keep WiFi and Bluetooth turned on on your phone, then Bluetooth pair with your device. 3.Wireless CarPlay or Wireless Android Auto can be accessed after a few seconds of successful pairing