Ailihen X1 2015 New LED Gaming Mouse 2400 DPI Wired USB Optical Mice for PC and Mac, 6 Buttons Control, Omron Micro Switches(Black) Adjustable DPI Function: 800/1200/2000,you can change Mouse speed easily 6 buttons control, and two programmable side bottons Track your every movement with unparalleled precision, speed and continuity via this Gen 3rd optical 250Hz, 2000 DPI 6 button USB wired no programmed Gaming Mouse 6ft high-strength braided fiber cable, anti-skid scroll wheel, and LED pulsating backlighting design Plug & Play, Compatible with Windows 7, 8, Windows XP, Vista, ME, 2000 and Mac OS, or the latest system