DESC: The Cordless Desktop EX 100 is affordable, simple to set up, and provides an ideal combination of features that make everyday tasks smoother and more fun. Adjust audio volume, launch your web home page or your calculator with conveniently placed buttons on your spill resistant keyboard. The cordless optical mouse lets you work smoothly and freely on almost any surface, and features a mouse wheel that lets you scroll documents with more control. Your work space will be easier to manage too.