3.5mm Audio FM Transmitter For LG Samsung HTC Phone Iphone4,4s ,5 MP3 MP4 MID This product is with compact shape, fashion and super thin design. Using PLL phase-locked loop technology and CD sound quality effect By super big LCD screen and soft blue backlight, you can easily and clearly to see the FM information on LCD display Supporting full frequency transmission from 87.5~108MHz. FM frequency of 0.1MHz increasing adjustment will more easily for you to find the frequency channel you want. Support frequency memory function, which allow you to return the previous frequency when next play. No need to re-adjustment the frequency when each time you power on the system. Low current. By 5V USB Car charger , not only power supply to FM-185 but also can charge other portable audio/Video player. Easily for your portable Audio/Video player to play music and power charging at the same time.