Wireless Backup Camera +GPS Navigation Windows CE 6.0 6.2 Inch Double In Dash Car Stereo Radio Auto Audio Video Automotive CD/DVD/Mp3 Player Bluetooth SD/USB Steering Wheel Control Built-in gps navigation with free 8GB gps map card, Support subwoofer audio output and steering wheel control function Built-in Bluetooth with Microphone: you can enjoy streaming music and make hands-free phone calling while enjoy driving. FM AM radio supports SD cards and USB flash drives,so you can quickly load music and movies from your computer or other device onto your memory card/stick and play them back with ease 6.2 Inch in dash touch screen,high definition screen resolution 800*480 Wireless rear Camera as free gift, it will put the image onto the screen while you reversing the car once you connect it to the head unit.