Choetech BH-006 Ultra Slim Wireless Bluetooth Keyboard - Modulation System: GFSK - Bluetooth Version: 3.0 - Operation Voltage: 3V - Operation Current: =5mA - Battery Required: 2*AAA(not included) - Keying Force: 6010g - Key Life: 5 million strokes - Operating Temperature: -10 ~ +55C - Operating Distance: within 10m - Number of Keys: 78 keys - Material: ABS surface + Aluminium zinc plate 

Manufacturer Warranty: 12 Months Limited Warranty