1. Material: Aluminum alloy + ABS + leather grain 2. Interface: USB 3. Size: 56.5 x 29mm 4. Connection method: WiFi + Bluetooth 5. Network connection: Synchronous mobile network 6. Supported mobile phones: iPhone 6 and above 7. Power input: 5V 1A 8. Plug and play, no cumbersome steps, easy to use. 9. Automatic senseless connection, no delay, sensitive response. 10. Accurate positioning, real-time road condition update, easy to control complex road conditions. 11. Adopt 5.0GHz wireless module, high-speed transmission, not easy to drop the line, stable and reliable. 12. Built-in iPhone wireless CarPlay function, easy to realize car-machine interconnection, car-machine control shared maps, music, phone information and other APP software. 13. Support OTA online upgrade.