1. Built-in FM transmitter
2. Digital LED display of present frequency, volume, serial number of songs
3. Frequency range: 87.7MHz-88.9MHz, 106.7MHz-107.9MHz. 14 frequencies in all, 0.2MHz
gap between channels
4. USB2.0 interface with high transfer speed
5. Car cigar socket power supply (12V DC power)
6. Read MP3 songs from the USB flash disk directly and broadcast through the car
FM tuner
7. LINE-IN function that enables you to enjoy music from the external audio device
such as CD, MD player
8. Four functional keys: play / pause, PREV / V-, NEXT / V + and CH
9. Specifications: 9.8 x 4.6 x 5.1cm
10. Weight: 0.0324kg
11. Color: black, white

How to use:  
1) Plug the unit into cigarette lighter of your car directly  
2) Plug USB flash dick into car MP3 transmitter through USB disk jack  
3) Press the CH button to select one from 14 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