M4 2-in-1 Android Auto Carplay Box Wireless Car Adapter Intelligent Car Machine Interconnection Module 1. 2 IN 1 wired to wireless car box, plug and play, quick start in 5-10 seconds, converts wired to wireless car adapter, stable connection without delay or cable clutter 2. USBType interface can be switched at any time, plug and play, ultra small size, newly upgraded product size, ultra small size does not take up space 3. Wireless Android Auto connection method: Step 1: Ensure your car has wired Android Auto functionality. Step 2: Insert the product into the car's USBType-C port. Step 3: Pair your phone. Turn on your phone's Bluetooth and Wi-Fi, search for the car's Bluetooth connection, and click to connect and pair. Step 4: Connection successful! Enjoy wireless Android Auto functionality. 4. Wireless CarPlay connection method: Step 1: Ensure your car has wired CarPlay. Step 2: Insert the product into the car's USBType-C port. Step 3: Pair your phone. Turn on your phone's Bluetooth and Wi-Fi, search for the car's Bluetooth connection, and tap to connect and pair. Step 4: Connection successful! Enjoy wireless CarPlay functionality. 5. Dimensions: 25x23.5x25.1mm 6. Power Input: USB 5V 7. Bluetooth: 5.4 8. WiFi: 2.4G + 5.8G 9. Compatible Resolution: Adaptive adjustment 10. Compatible Car Models: COMPATIBLE car models with wired CarPlay or wired Android Auto