2.4GHz 78-Key Bluetooth V3.0 Wireless Keyboard - Silver + White (2 x AAA)
Model: X5 - Bluetooth V3.0 version - Working distance: 10 meters - 2.4GHz frequency - Transmitting power: class 2 - Operating voltage: 3.0~5.0V - Working current: less than 4mA - Standby current: max 1mA - Sleeping current: less than 200uA - 78-key keyboard - Uses 2 x AAA batteries (not included) - Comes with English manual