Car FM Transmitters USB MP3 Player

1.FM transmitter 
2.LED display window 
3.LINE audio input 
4.Independent Bluetooth start /shutdown button 
5.Support playing music by USB drive
6.Support MP3/WMA music format 
7.Answer /hang up/reject/redial via Bluetooth 
8.bluetooth stereo music play 
9.Call Echo Cancellation and Noise Reduction(CVC) 
10.Power other devices up to 5V/2A 
11.Automatic memory function of power failure frequency point 
12.Display of on-board battery voltage 

Specification: