E-3lue Cobra EMS614BKAA-NU High Precision Gaming Mouse with 1600dpi switch USB Desktop Mouse Product Compatibility: Windows95/ 98 / 2000 / ME / NT / XP / Win 7 / Win8/Vista Sleek micro switch for incredible clicking speed Durability is increased with UV cured coating Came with a 3 level adjustable resolution feature: 400/800/1600DPI Counterweighted for balance and playing "feel"