Griffin iTrip Auto FM Transmitter for iPod Black It has three-stage light ring changes color to indicate charging status. It has large, high-contrast display. It wirelessly sends music from your iPod to your car radio. It is compatible with iPod (4G, 5G); nano (1G, 2G, 3G, 4G, 5G), iPod classic, and iPod touch 1G, 2G, 3G. It has FM transmitter technology with an integrated charger Compatible with iPod (4G, 5G); nano (1G, 2G, 3G, 4G, 5G), iPod classic, and iPod touch 1G, 2G, 3G Wirelessly sends music from your iPod to your car radio FM transmitter technology with an integrated charger Large, high-contrast display Three-stage light ring changes color to indicate charging status