1. Voltage: 12V DC
2. Operating current:<100mA
3. FM frequency: 206 FM channels with high and low frequency
4. Channel switch: press the CH key to switch preset channel
5. Audio source: USB flash disk or MP3 player
6. Transmitting distance: up to 30 meters
7. Remote control
Instructions:
1. Plug the unit into cigarette lighter of your car directly
2. Plug USB flash dick into car MP3 transmitter through U disk jack
3. Press the CH button to select one from 15 FM channels that do not interfere with local broadcasting stations
4. Tune the frequency of your car's stereo to the same as the unit
5. Press the play button on the FM modulator to enjoy your music