Product information: wired laptop mouse Model wired computer mouse Product size (length x width x height cm) 10 x 7 x 3 Weight (KG): 0.04 Functions of wired mouse: The design of the Lenovo M20 wired computer mouse is suitable for the palm of the user, and it can produce a certain brightness even if it is used for a long time. It has a responsive vertical scroll wheel and two flexible buttons on the left and right to help you use it most easily.