Optical mouse Material:plastic Resolution:800DPI Interface:USB\ PS/2 Button life:over 500 millions FeaturesModel Number:AG-M045Resolution:800DPIProduct size:94*55*31mmScanning Speed:1500-3000/secondStyle:Mini MouseLogoAccording to the request of customerButton3Interface:USB,PS/2;U+PButton life:5,000,000Cable:1.3mOperating System: Windows98/SE, WindowsMe/2000/XP, Linux2.4.x, Mac OS9.1/Mac OS X, ...