Griffin SmartDeck Intelligent Cassette Adapter with Dock Connector for iPod (White) Control iPod navigation through the car stereo Intelligent level control for optimal input levels Features highest-quality tape head for crystal clear quality Sets optimal volume on the iPod for best audio quality Compatibility: iPod nano (1G and 2G), iPod mini, 3G iPod, 4G iPod with click wheel, iPod Color, iPod Video, iPod shuffle (1G and 2G)