... controller or Steering Wheel remote controller Product Color: Black:Specifications:- USB Interface: USB2.0- FM frequency range: 87.5-108.0MHz ... - SNR: >60dB- Output Frequency: 20Hz-15KHz- Audio Source: USB flash disk, SD card, audio player, Bluetooth device- Bit Rate ... No.: 507803). Hot Sale! 1.8" LCD display Bluetooth car kit, supports USB Drive/SD card, FM transmitter, Folder/Phonebook/Caller ID