Listen to your MP3 player through your car stereoand get the best quality sound for your drive. Compatible with most MP3 players, TuneCast Auto Universal connects through your FM radio receiver. At the push of a button, ClearScan Technology quickly finds the clearest FM station for your music, while the high-contrast backlit display lets you see the station clearly. With two programmable preset buttons and a PRO setting for optimizing audio and boosting volume, TuneCast Auto Universal lets you listen like a pro. The USB port lets you charge your device on the go, so the music doesn't have to stop.