Plug and go! Wireless Notebook Optical Mouse works great for laptop and desktop users. With a receiver that's small enough to plug into your computer and leave, this mouse offers 2.4 GHz wireless performance that means no delays in cursor movements and fewer cords to pack. The receiver can be stored inside the battery compartment for safekeeping. A 1200 DPI optical sensor provides smooth, precise tracking while the sleek design offers a smooth, contoured comfort grip for right-hand or left-hand use. Mouse is small enough to fit easily into bags and totes.