Description <br> Description: <br> Scientific encourages healthy neutral handshake wrist and arm positions for smoother movement and less overall strain. <br> DPI button and 3D scroll wheel, left and right mouse buttons, page up and down dual buttons are very convenient while surfing Internet. <br> 800 / 1200 / 2000 / 3200 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. <br> 1.41 m / 4.6 ft high-quality USB 2.0 cable; Compatible with Desktop PC, Notebook; Supporting Windows 7, 8, 10, , Vista. <br> Surface sanding process, excellent feeling. <br> <br> Specification: <br> Product size: Approx. 123x65x82mm / 4.84x2.56x3.23inch <br> Cable Length: Approx. 141cm / 4.63ft / 55.51inch <br> Package Includes: <br> 1 Piece Ergonomic Vertical USB Mouse <br>