Rear view monitor Monitor with Bluetooth,USB,SD,MP5 Car lcd rear view monitor with touch button ... make glass never fall down when in car) 2Built in USB port ,SD slot,Support MMC/SD card ,Support JPEG, BMP ... transmitter ,Enjoy wirless music with original car speaker 4Built in Bluetooth A2DP 2.0 .Support handsfree phone call ,Caller ID5Built in ...