Connectivity : Wired USB
– Number of buttons : 108
– Button Stroke : 4.0mm
– Button Strength : 60 +- 10g
– Button life times : 50 million
– Rated current and voltage : DC5V / 250mA
– Product Size : 435(L) x 123(W) x 36(H) +- 0.5mm
– Hand tray size : 435(L) x 68(W) x 14.5(H) +- 0.5mm
– Product weight : 0.83KG +- 10g
– System requirement : Vista / Windows 7, 8, 10 / Mac
