7 inch rearview mirror monitor USB/SD/MP5/FM transmitter bluetooth optional speaker optional 7-inch TFT LCD rear ... fall down when in car Built-in USB port, SD slot, supports MMC/SD card Supports JPEG, BMP, MP3, ... AVI, DIVX, MP4, WMA and RMVB files Built-in FM transmitter, wireless music with original car speaker ... monitor/rear view monitor with USB/SD/MP5/FM transmitter