... ,BLUETOOTH,USB,SD FUNCTIONS. Detiled Product Description 7inch car dvd player with dvd ,TV,USB,SD,FM,AM,IPOD,GPS digital TV,MAT ... /AM/TV/AV/Microphone Detecting radar,rearview mirror available Compatibility with DVD,VCD,CD,MP4,MP3, 1 channel AV output,very easy ... to connect with external AV device and compose a perfect car AV entertainment ...