1)The Dock Connector to FireWire and USB 2.0 Cable offers 480Mbps data transfer for
quickly loading an entire music library on iPod.
2)Retractable designed prevent tangled cable mess.
3)The cable is compatible with iPods ,iPhone 3GS with dock connectors only.
4)Charge your iPod,iPhone3GS while syncing your music
5)Data transfer: Up to 480Mbps