This MP3 player wireless FM transmitter allows you to listen to the MP3 music saved on your USB flash drive or SD card in your car, truck, boat or RV. Now you can enjoy your MP3 music collection without having to spend money to upgrade your car stereo. It plugs into the cigarette lighter socket and plays your music through the car's stereo. Just plug in a USB flash drive with your favorite MP3s stored on it, and your all your tunes will instantly begin playing over the radio! This device also accepts SD/MMC cards (SD high capacity compatible) for maximum compatibility. With this transmitter's audio in port, you can even plug in another audio source. You can connect your iPod, portable DVD player, CD player, laptop computer, portable gaming console, or any other device with a standard headphone jack. This wireless transmitter broadcasts on the full spectrum of the FM band (over 200 stations), allowing you to choose the clearest stations to broadcast your music. Another convenient feature of this MP3 transmitter is the included remote control. The slim, compact remote is perfect for storage in your car's visor, and allows you to conveniently control the unit from anywhere in the car. You can play, pause and skip songs with the remote, and even change the transmitting station. When playing MP3s, this unit displays information about the song the song title, minutes elapsed, etc. It also has selectable equalizer settings to suit your musical preference