Griffin RoadTrip FM Transmitter for iPhone and iPod (Black) Compatibility: iPod classic 6G (80 GB, 120 GB); iPod nano 1G, 2G, 3G, 4G; iPod touch 2G; iPhone 1G, 3G Charges your iPod or iPhone while you travel SmartScan automatically finds and programs the three clearest broadcast frequencies SmartSound Plus technology for clear sound under real-world conditions Flexible steel neck and interchangeable model-specific cradles position your iPhone or iPod perfectly