Car Audio FM Transmitter.It can play USB or MP3

Features:
1) Applied to all kinds of USB disks such as USB1.1 and USB2.0
2) USB disk should be less than 1GB
3) Transmitting range: 5 meters
4) No interruption to other frequency
5) Operation:
a) Plug transmitter connector into car cigarette lighter
b) Put U disk into transmitter's USB interface
c) Modulate car audio FM frequency and listen to the music
inside USB from car audio system
d) Take transmitter out when car is power off