This wireless mouse from Microsoft is an excellent addition to any computer setup, whether you're using a PC or a Mac. It has a maximum DPI of 3000 and features an optical tracking method. The mouse is a standard size and comes equipped with a snap-in receiver and grip for ease of use. The model number is 1056, 1051, and it is new in condition. The unit type is a simple unit, and the color is gray. The item dimensions are 3.75" in length, 1.25" in height, and 2.25" in width. The mouse is made in China, and its connectivity is wireless.