1. Wireless mirror link ,Compatible for all auto with AV; 2. Suit for Android and IOS system (iphone ) 3. Wireless ,WIFI control, 1 AV output 4. plug and play, easy to install and use 5. Single way control 6. Enjoy music without impact GPS software working. 7. Get car screen Synchronization with mobile phone screen through WIFI e-dog (wireless connection) ; 8. Car screen and mobile phone screen can get synchronization completely ; 9. Support background AV display ; 10. Support hand-free ; 11. Support bluetooth;