Monster A-IP-FM-CH-PS Wireless FM Transmitter Wireless FM transmitter/charger for playing iPod through car stereo system Broadcasts iPod tunes through stereo via choice of almost any FM radio frequency Charges iPod during use while optimizing audio performance 3 favorite station presets; 24k gold contacts for max power transfer Compatibility: iPod nano (1G and 2G), iPod mini, 3G iPod, 4G iPod with click wheel, iPod Color, iPod Video