Wireless technology: 2.4GHz
Working distance: 10m
Unit size: 100.0 x 69.0 x 37.8mm
Unit weight: 56.6g (except battery, receiver)
Buttons: 4 (include CPI switch key)
Keystroke route: 0.8mm
Keyswitch operating force: 70498415g
Key life cycle: 3 million times
Rated working voltage/current: DC 1.5V/28mA
Power supply: 1 AA battery
Please use alkaline battery
Color: iron-gray azure