Belkin TuneCast Auto Live FM Transmitter F8Z498TTP Listen to your iPod or iPhone music through your car's stereo while charging your device; The Only FM transmitter with GPS-assisted iPhone app for fastest FM station locator and best audio quality; Compatible with iPod Nano, iPod Touch, iPod Classic, iPhone 4, iPhone 3GS, iPhone 3G Belkin's iPhone App allows the transmitter to be controlled directly from the iPhone; just like your music; Charges through car's 12-volt lighter outlet and High-contrast LCD display for easy viewing