▸ Ergonomic Design
▸ 3 Keys
▸ 1200 DPI
▸ Keylife: 1 Million
▸ Key Force: 65±5g
▸ Rated Voltage: DC 5V<100mA
▸ Size: 116.5 x 61.5 x 37.9mm
▸ USB Cable 1.5M
▸ Optical Engine, Accurate Positioning