Cooler Master Xornet II Optical Gaming Mouse with RGB Lighting, Buttons & Claw Grip Design (SGM-2002-KLON1) Unique, ergonomic claw grip design - highly regarded as one of the best claw grip designs for FPS and RTS gaming High precision sensor - Avago 3320 optical sensor that offers pinpoint accuracy in-game On-the-fly DPI control - 3 preset DPI modes from 500-3500, allowing the ability to shift gears amidst the heat of battle Rugged rubberized side grips - offers unmatched stability and control Highest grade Omron switches - unsurpassed tactile feedback and speed with a 5 million click lifespan