Quantity: 1 piece - Color: Black - Material: PU leather + rubber - Compatible Brand: Samsung - Compatible Model: Samsung Galaxy Note10.1" / N8000 - Type: External wireless Keyboards - Connector: USB - Executive Standard: Bluetooth V3.0 - Working Distance: Up to 10m - Modulation System: FHSS 2.4G - Transmitting Power: Class 2 - Operating Voltage: 3.0~5.0V - Working Current: - Standby Current: - Sleeping Current: - Charging Current: >/=100mA - Standby Time: 60 hours - Uninterrupted Working Time: 30 hours - Charging Time: 4~5 hours - Built-in 300mAh Li-ion battery - Battery Life: 3 years - Key Strength: 80+/-10g - Key Life: 5 million times - Operating Temperature: -20'C~55'C - Storage Temperature: -40'C~70'C - Humidity: 20%~50% - Keys: 76 - Bluetooth 3.0 interface with AIROHA AB1108 as main control chip - Light weight quiet keystoke dust proof and spill-proof - Energy saving keyboard with sleep mode - Packing list: - 1 x Bluetooth V3.0 wireless keyboard - 1 x English manual - 1 x USB cable (30cm)