Zowie Gear MiCO e-SPORT 400 / 800 / 1600 Dpi Competitive Gaming Mouse - Black Ambidextrous competitive gaming mouse, usable with both hands / Perfect for claw-grip and gamers with small hands / ZOWIE custom lens; 2mm lift-off distance - works on all surfaces Co-developed with professional StarCraft & StarCraft 2 players from Korea / Lightweight, fast and accurate optical gaming mouse No drivers or software! Just plug and play / Adjustable DPI: 400/800/1600 / Operating System: Win2000/XP/VISTA/7 Mac OS X v10.2 after Dots Per Inch: 400/800/1600 / Max. Acceleration: up to 30G / Max. Speed: up to 50 inches/second USB report rate: 500Hz Length of cable: 1.8m / 5.8-Feet Weight: 68g (ex. cable) Connector: USB Buttons: 3 Length: 98 mm / Width: 58 mm / Height: 35 mm / Weight: 68 grams