The Logitech Wireless Mouse M185 offers a connection you can count on, It features up to twelve months of battery life so you don’t have to deal with the hassle of frequent battery changes - and it’s built to last with a high quality, reliable design. From the comfy, contoured shape to the advanced 2.4 GHz wireless connectivity, the Logitech Wireless Mouse M185 is a plug-and-play mouse you can depend on to help you with your computer tasks The tiny nano receiver works right away without software and is small enough to leave in your USB port so you won’t lose it.