W Mall&reg; Car Telecontrol Tape Cassette SD MMC MP3 Player Adapter Kit W/ Remote Control Give your car audio MP3 support without buying a new system. It even doubles up as a card reader when connected to your pc. Use it as standalone MP3 player or pop it in your car stereo to play all your favorite MP3 tunes, right from your SD card. Automatic music file search, Automatic playing. Support 8GB SD/MMC Memory Card (The card not Included).