1. Material: ABS 2. Interface: USB 3. Connection method: WiFi + Bluetooth 4. Supported mobile phones: Applicable to iPhone 6 and above 5. Plug and play, no complicated steps, easy to use. 6. Built-in wireless Apple CarPlay function, which can easily realize car-machine interconnection. 7. Automatic senseless connection, no delay, sensitive response. 8. Adopt 5.0GHz wireless module, high-speed transmission, not easy to drop the line, stable and reliable 9. Support OTA online upgrade