This car MP3 player can connect your car stereo via transmitting FM frequency. Play high-quality sound of music USB/SD/MMC Car MP3 Player With FM Transmitter Features:1. Standard USB 2.0 and SD/MMC card reader, with high speed data transmission 2. Play MP3 file from USB port and SD/MMC card driver 3. Built-in FM stereo wireless transmitter, 206 frequency rang from 87. 5MHz-108. 0MHz 4. Audio ...