Car Mp3 Player Wireless Fm Transmitter USB Sd MMC Slot with Remote (Blue Display) USB2.0 port, high speed, high quality! Compact and fashional design Listen to your favorite MP3 in your car with this multi-function car MP3 player. With a support of FM channels, this Car MP3 wireless FM transmitter lets you take a break from your regular music Support SD/MMC card, up to 8GB max(the cards is not included)