GEMBIRD MUS-4B-01-BS Gembird optical mou 80014283 Product Description: Gembird MUS-4B-01-BS - mouse - USB - black, silver Device Type: Mouse Connectivity Technology: Wired - USB Colour: Black, silver Dimensions (WxDxH): 6.5 cm x 9.9 cm x 3.7 cm Weight: 71 g Movement Detection Technology: Optical Buttons Qty: 4 Movement Resolution: 1200 dpi Cable Length: 1.35 m OS Required: Microsoft Windows 7 / 8 / 10