Compare it with M310. With its contoured design and plug-and-forget nano-receiver the Logitech Full Size Wireless Mouse is the easy-to-use mouse that feels just right. Navigate more easily with a precise line-by-line scrolling experience. The optical sensor gives you a smooth and accurate cursor control on almost any surface. That means accurate mouse movements with no more annoying missed clicks. Larger mouse size gives your hand all day comfort. Perfect for the home office.