1. Material: ABS 2. Interface: USB 3. Connection method: wired/wireless 4. Plug and play, no complicated steps, easy to use 5. Built-in wireless CarPlay and Android Auto two-in-one function, you can easily achieve car-machine interconnection. 6. Automatic senseless connection, no delay, sensitive response 7. Adopt 5.0GHz wireless module, high-speed transmission, not easy to drop the line, stable and reliable 8. Strong compatibility, support all kinds of APP and mobile phones 9. Support OTA online upgrade