Precision Tracking - An optical mouse with featuring high definition DPI levels (1000/1600). The DPI button allows you to change the tracking movement sensitivity on-the-fly. Comfortable Grip - High-quality mouse with a rubber fingerprint resistant coating that provides a soft surface, a nice grip. Intuitive Design - The 6 button design is very intuitive and makes pages navigation easy. The integrated page forward and backward buttons will allow you to easily move around the browser and view the documents. The scroll wheel has the middle click function. Dimensions - 4.45 x 2.67 x 2.57 inches System requirements - Windows 7, 8, 10 and later versions Cable - 5.9 ft