Welcome to Microsoft BlueTrack Technology. This new tracking technology - available only from Microsoft - lets you use a mouse anywhere and work with confidence on more surfaces than ever before.¹ BlueTrack combines the power of optical with precision of laser, allowing you to mouse on virtually any surface – from a granite countertop to an airport bench to your living-room carpet. Meet the creator of BlueTrack Technology

¹ BlueTrack Technology does not work on clear glass or mirrored surfaces.