Connects your Galaxy tablet to PC/Windows or Mac computer to charge and/or sync. It can also be used with USB AC power outlet to charge your Galaxy tablet. It is compatible with Samsung Galaxy Tab 7.0/7.0 Plus/7.7/8.9/10.1, Galaxy Tab 2 7.0/10.1 and Galaxy Tab Note 10.1 tablets. (Connectors: 30-Pin Male to USB Male; Length: 1M/3.3ft; Color: Black)