XTRONS 7" Android 4.4.4 KitKat Quad Core Capacitive Touch Screen Car DVD Player CANbus 1080P Video with Screen Mirroring Function & OBD2 for Audi A4 S4 RS4 Seat Exeo Android 4.4.4 Operation System,Superior Quad-core CPU Processor Super - clear 1080P Video Enjoyment Supports OBD2 Function Screen Mirroring Function Steering Wheel Control Ready ( Dual Channel CANbus Provided )