In just seconds, you can listen to your MP3s through any car or home stereo with our MP3 to Stereo Adapter. Installation is easy; just connect the Adapter to your MP3 player, select the frequency on the Adapter, and turn your stereo to the same frequency. Its your own personal radio station without all the commercials and songs you don't like. And you keep the standard functionality of your MP3 player, including skipping tracks and selecting play lists. The Adapter can be powered by either the included 12V DC power cradle for use in the car or by batteries when you're at home or in the office. The Port Authority2 FM Transmitter makes certain you can listen to all your favorite MP3 through any stereo no matter where you are.