The Microsoft Wireless Notebook Optical Mouse 3000 Model 1359 in Gray is a standard mouse with a maximum DPI of 3000. It features an ergonomic design, a scroll wheel, and operates wirelessly with an RF USB receiver. Made by Microsoft in China, this mouse has 3 buttons and uses optical tracking method for precise cursor movement. It is a reliable and convenient option for users looking for a comfortable and efficient mouse for their computing needs.