Newmen G9 Gaming Mouse with adjustable DPI 800/1600/2000/2400/3200/5000/6000 for PC,9 Programmable Keys Buttons,Omron Micro Switches,Weight Tuning Set (Black) Ergonomic design, fits naturally in your hand.Smooth, precise and affordable optical 9 omron micro switches for laptop, desktop and netbook PCs USB 2.0 Full speed professional gaming mouse Avago 9500 laser senso DPI button to select your preferred cursor speed:800/1600/2000/2400/3200/5000/6000dpi;9 programmable keys customized by software 128K EPROM built in;125/500/1000Hz adjustable report rate; 12000fps frame rate;Marvelous RGB pulsation light;4g*9PCS balance weights Works with Windows 2000, XP, Vista, 7, 8, and 10