Product description Color: white, black Wireless battery mouse (battery not included) 1. Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. 2. 800 / 1200 / 1600 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. 3. 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. Enters power saving mode (power is cut off completely) after 8 minutes idle, press right or left button for it to wake. 5.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