Features:206 Channels Car MP3 player wireless FM TransmitterCar MP3 FM transmitter is a compact and convenient car accessory， it can transform the mp3 music stereo into the FM signal，and play music through the car radio receiver.So the drviers can conveniently enjoy the wonderful music，at the same time， this car mp3 FM transmitter also provide comparable quality music with CD players.Specifications:12/24 volt wireless transmission.206 FM channelsSD card (not include) ， USBVolume control.LCD show the volume and ordinal number of songApply to flash drive and mp3 playerWith built-in stereo wireless transmitter NO Built in flash memory volume. But can extend Support : SD MMC Memory card 1GB- 8 GB ;USB flash 1GB-8GBOriginal box: NOColor: Black Net weight: 52gPackage weight: 70g　 Note: This car MP3 can NOT display song titlePacking content:100% Brand New black car mp3 player x 1 Audio Cable x 1 Remote control x 1SKU:A3006037