Ergonomic Optical Vertical Adjustable DPI 800/1200 Wired Computer Mouse

product details Description Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. 3200 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 superior choice for internet surfers, gamers, and people who work at length at the computer. 4.8 ft USB cable length, product dimensions: 101 x 82 x 80 mm; product weight: 4.5 oz.. Easy-access use. Five buttons give you improved control over your computer's systems. Whether dragging and dropping, selecting large volumes of data or casually gaming, this mouse provides a low-cost, effective solution for multiple computing needs. Compatibility: Windows 10 / 8 / 7 / Vista / XP / 2000 Linux Mac OS X (The two thumb buttons are not recognized on the Mac OS X.) Note: This mouse is not compatible with Mac OS X El Capitan.