Built in WIFI receiver - Perfect support Air conditioning information - Perfect read car rotating speed, running speed and car door info - Perfect support original parking sensor and camera(if the car has) - Perfect support Steering wheel control - Support Picture in Picture(PIP) function, two images can be in one screen - Built-in Bluetooth for mobile hands-free(include phone list, call list, received call, - unreceived call, missed call) - Bluetooth music with music spectrum - Built in GPS function, Support online GPS map and offline GPS map - Radio receiving: FM/AM can be stored 30 stations. - With 2 rear USB port, - Support mirror link function, the screen of smart phone can cast on car dvd - DVR and RCA Video input - Can separately set Volumes of the music/video, Notifications and alarms