ERGONOMIC DESIGN - A right-handed vertical mouse that promotes a natural hand position to prevent stress on the forearm and reduce muscle strain and repetitive strain injuries (RSI). ADJUSTABLE TRACKING DPI - High precision optical sensor that can be adjusted with 1000/1600 DPI resolution for accurate and smooth tracking. DURABLE MATERIAL - High quality rubber-coating surface that gives a nice and comfortable grip to hold for long hours of use. EASY AND RELIABLE CONNECTION - Plug and play setup means that no extra driver or software is needed. The mouse features 5.9 ft long cord for flexible setup condition. COMPATIBILITY - Windows 7, 8, 10 and above DIMENSIONS - 4.92 x 2.44 x 3.03 in CABLE - 5.9 ft WEIGHT - 0.35 lb