... phone hand-free 2. Support USB Drive/SD Card 3. 1.8" LCD 4. Folder/Phonebook ... Wheel remote controller Product Color: Black:Specifications:- USB Interface: USB2.0- FM frequency range: 87 ... >60dB- Output Frequency: 20Hz-15KHz- Audio Source: USB flash disk, SD card, audio player, Bluetooth device- ... ), Bluetooth Car Kits, Car FM Transmitters, Mini MP3 Speakers, Digital Photo Frames, MP3/MP4 Players, etc. ...