Jeecoo 112 LED Optical USB Wired Gaming Mouse Mice for PC, 3 Levels 2000 DPI, 6 Buttons (Black) Scientific ergonomic design encourages healthy neutral 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 browsing; the best choice for internet surfers, gamers and people who work at length at the computer. Plug & Play, Compatible with Windows 7, 8, Windows XP, Vista, ME, 2000 Package Content: 1* mouse, 1*Velcro strips