bluetooth keyboard case for samsung galaxy 1.Stylish protective PU leather case designed for GALAXY 2.Light weight, quiet ke bluetooth keyboard case for samsung galaxy 1.Stylish protective PU leather case designed for GALAXY 2.Light weight, quiet keystrokes dust proof&spill-proof.3.Energy saving keyboard sleeping mode Basic functions1,Operating voltage: 3.0-5.0 V2,Operating current: <5.0 mA3, ...