Mechanical Keyboard and Mouse Pad set

●Transmission method: wired USB
●Keys: 108
●Key stroke: 4.0mm

●Key life times: about 50 million times
●Rated voltage/current: DC 5V/250mA
●Product size: 435(L)x 123(W)x 38.5(H)+0.5mm
●Hand rest size: 435(L)x 68(W)x 14.5(H)+0.5mm
●System requirements: Vista/Windows 7, 8, 10/Mac