Naztech Book Style Case with Built-In Bluetooth Keyboard for Samsung Galaxy Tab (11022) Book-style case, Intricate stitching Magnetic closure, Landscape stand Soft-touch keyboard, Bluetooth v2.0 76 key keyboard, QWERTY layout Re-chargeable Li-ion Battery, USB charging cable Working range: 10m, Working time: up to 5 days Standby time: up to 160 days Compatible with: Samsung Galaxy Tab