1: Built-in MP3 format decoding chips
2: 7 channels for choosing 
3: FM transmitter can automatically read the MP3 format files from USB flash disk
or MP3 player
4: Operating distance: up to 30 meters
5: Channel isolation ratio: ≥72dB
6: Frequency range: 20Hz - 15kHz 
7: Working current: 45mA -10mA  
8: Dual LED indicating  
9: Output current: 100mA max.
10: Size: 10.5cm, 5cm remain long after plugging into cigarette lighter  
11: Unit weight: 31g  
12: How to use:
a) Plug the FM transmitter into cigarette lighter of your car
b) Plug the USB flash disk or MP3 player into the USB port
c) Press the "CH" button to select frequency
d) Turn on your FM turner of your car, choose the frequency which the same frequency
of the FM transmitter
e) Adjust volume to proper level, press "play" button once, OK, enjoy it
f) You can turn off the FM turner and plug the headset into audio port, enjoy music
yourself (only OT-FM09)
7) Except USB port, you can connect others music players by audio cable (included),
such as MD, mobile, PDA, Walkman (only OT-FM09)
13: Channel range: (87.7/87.9/88.1/88.3/88.5/88.7/88.9MHz) or (106.7/106.9/107.1/107.3/107.5/107.7/107.9MHz)
 
14: Voltage: 12V DC

Inner packing:  
1pc/plastic box (clamshell with insert card) or 1pc/gift box (white/color box) 

N.W.: 30.5g  
G.W.: 115g (plastic box), 196g (gift box)  

Outer packing:  
50pcs/ctn  
Carton dimensions: 55 x 36.8 x 46.5cm  
G.W.: 6.87kg