Merdia DU020 6 Buttons 1600DPI LED Optical USB Wired Professional Gaming Mouse For Pro Gamer-(White) Intelligent connectivity, no need to code, plug & play. Adjustable DPI switch 1000 / 1600 / 600 Ergonomically designed, long-term use without fatigue. High 3000 Frame/second Rate for extremely precise Tracking Level Compatible with Windows XP, Vista, Windows 7, ME, 2000,isO and Mac OS...or latest.