Connects your iPod, iPhone and iPad to PC/Windows or Mac computer to charge and/or sync. Works with iPhone 1st Gen, 3G, 3GS, 4, 4S, iPod Touch 1st - 4th Gen, iPad 1, 2, and 3. It can also be used with USB AC power outlet to charge your iPod or iPhone. (Connectors: 30-Pin Male to USB Male; Length: 0.5M/1.6ft; Color: White)