The black Basic Optical Mouse for Business from Microsoft is a wired mouse well-suited for business environments. The optical sensor tracks movement on just about any surface and provides speed and accuracy. The mouse features a scroll wheel, customizable buttons and can be used in either your right or left hand. One more handy feature is that you can quickly and easily access product information, registration, settings, and more for popular devices like a cell phone or camera. This mouse is compatible with Windows (including Tablet PC Edition) and Mac operating systems for cross-platform flexibility. For long-term reliability at an exceptional value, look no further than Microsoft's Basic Optical Mouse for Business.