Rest your wrist or arm, and terminate the pain caused by all day long computing. The Dell Wireless Optical Mouse WM112 (Black) boosts an inert wrist position which helps in providing relief from the aches and pains. The mouse flaunts a modern-day black design that will certainly go with any kind of d'cor. Not only the design is sleek and trendy, but also its material is robust and stainless. This product is designed to offer easy portability and to provide upright comfort. This mouse is equipped with an Optical sensor, and is wireless and USB compatible. Extra comfort is provided by its soft-touch painted surfaces.