GranVela James Donkey 112S Adujstable 1000/1600/2000 DPI LED Breath Light Wired Gaming Photoelectric Computer PC NB Mouse & 6-Button for Pro Gamer with Power-off Memory Function (Black) 1000 / 1600 / 2000 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. Added next/previous buttons provide convenience when webpage browsed, which is the best choice for internet surfers, gamers and people who work long time on the computer. Accurate Respond: 6400 FPS (Frames Per Second) & Polling rate(500Hz-1000Hz-125Hz three gear switches), it will offer reliable connectivity with smooth and responsive tracking. Durable smooth TEFLON feet and contoured skin coating body for ultimate gaming control.Soft rubber grip and contoured body deliver continuous keep comfortable a whole day Plug & Play, Compatible with Windows 7, 8, Windows XP, Vista, ME, 2000 and Mac OS, or the latest system