Support for audio formats:WMA, RM,OGG,AAC,M4A,WAV,MP1,MP2,APE,FLAC,CD. Support for video formats:AVI, MPEG,MPG, WMA, ASF, MOV,3 With SD card and USB SocketLED display with song name and frequency informationSupport MP3 formatLast memory for Frequency and songWith remote control for select songs, frequency, volume adjustmentSupport 5 kinds of EQ music format: normal, Rock, Soft, Jazz, SRSWith built-in stereo wireless transmitter, 206 frequency rang from 87.5MHz to 108.0Mhz Read from USB or SD/MMC card The head of unit can be bended freely, convenient for operationCan play the music via your car’s audio system with wireless FM transmitter, don’t need any modification on your car’s system.USB Socket can be connected with any audio and video systems who has a USB socket.External Memory:  512M / 1GB / 2GB / 4GB. (but SD/MMC Card is not included)  Power Supply: 12V to 24V from your car cigarette power adapter 5 function keys- play/pause, Prev, Next, A-, B+Dimension of item: 135mm length x 40mm width x 35mm highWeight with package: about 122gHow to use: Plug Car MP3 Transmitter into your car cigarette lighter socket Connect your mp3 player or other audio system with car MP3 Transmitter by USB socket Turn your car stereo on and adjust the frequency same as your car MP3 Transmitter  Press Play button on MP3 FM transmitter Enjoy the musicPackage including: 1× Car Mp3 Player 1× Mini Remote Controller1× Audio Cable

FM Transmitter Car MP3 Player With modulator for sd usb