Listen to your MP3 player or iPod through your radio with this Scosche FMt4R TuneIn Battery Powered Universal Wireless FM Transmitter. Featuring 14 different frequencies, you can listen to your music regardless of your location. This universal FM transmitter is designed to work with your car stereo and is compatible with many stereo brands. The plug-and-play and push-button operation makes it very easy to set up and to use. This Schosche FM stereo transmitter lets you add functionality to your car's stereo system. Simply plug the jack into any smart device that has a 3.5mm port, then turn on the transmitter and make sure that your car radio is set to the same frequency as the transmitter. You can now listen to your playlist without having to upgrade or swap out the hardware in your vehicle. The black color of this unit coordinates with most car trim and dashboards.