Sentey&reg; Gaming Mouse Pc Revolution Pro-8200 DPI 11750fps Laser Mmo/rts/fps/ceramic Foots/9 Macro Configurable Buttons / Hard Carrying Transport Case / Weight Tuning Cartridges / Replaceable Side Grip for 4 and 5 Fingers / 5 Led Color Profile Selector / Omron Micro Switches - Gs-3910