USB OTG Cable f/ Samsung, Samsung 30pin Male - USB A Female, 0.15, USB 2.0, Black
Direct data exchange between 2 devices without PC Thus you also add an USB connection to your Galaxy-Tab.
Ideally to provide your Galaxy Tab with an USB OTG (On-The-Go) interface, so that you can exchange data directly with other USB devices like Memory Stick, Flash disk drives, without PC connection. Also you can connect a mouse and keyboard.