This USB 2.0 sync data cable can connect your iPhone or iPod directly or through a dock to your computer's USB port for efficient syncing and charging or to the Apple USB power adapter (not included) for convenient charging from a wall outlet.Approx. 3 feet (1 meter) longNo external power supply requiredSupport Win 98 SE / Win ME / Win 2000 / Win XPEasily import and download all your musicEasily charge your iPod by simple connecting to USB port of your PC or MAC