The Lenovo 4Y50R20863 Essential USB Mouse in black color is a wired standard mouse with a maximum DPI of 1600. It has a height of 1.34in. and a length of 2.45in., making it compact and easy to use. The mouse features an ergonomic grip, adjustable DPI, and a scroll wheel for smooth and precise tracking. It comes with three buttons and an optical tracking method for efficient and accurate performance. This mouse is perfect for everyday use and is compatible with USB connectivity.