Zowie Gear Optical Gaming Mouse (EC1-eVo White) 100% stable optical mouse developed by HeatoN Ergonomic designed right-hand gaming mouse/1.5mm lift-off distance Improved mouse wheel system/Easily change to 1000, 500 or 125 Hz Plug and play! No drivers or software/DPI adjustment: 450/1150/2300/Operating system: Win2000/XP/Vista/7, Mac OS X V10.2 after Coating: Full rubber paint/Frames Per Second: 6,400/Inches Per Second: 60/Max. Acceleration: 20G USB report rate: 1000/500/125 Hz/Connector: USB/Buttons: 5/Length of cable: 2m/6.6ft Weight without cable: EC1, 97g - EC2, 93g. / Dimensions: EC1: 128 x 43 x 62-70 mm/5 x 1.7 x 2.44-2.76 Inches