2)USB or PS/2 interface 1)Keystroke life time over 5 million cycles, ... W.:1kg•Cable Length: 1.5m•Certificate: FCC, CE, RoHs Mouse:• Dimensions: 93*61.4*33mm (L*W*H)• Non-standard ... 5 million times• Certificate: FCC, CE, RoHs Feature:•USB or PS/2 interface•Keystroke life time over 5 million cycles, more durable ... friendly, natural, pure and fresh• Multi color available Bamboo Keyboard & Mouse Combo Set