. Surface Precision Mouse helps you stay productive and in the flow with flawless transitions patented magnetic scrolling for precise control and three programmable buttonsKey Product Info . Flawless detent or smooth scrolling and precise on-screen movementPersonally customizable - three programmable buttons help you get more done quickly and intuitivelyMore multi-tasking power - use with up to three computers at the same timeDesigned for comfort and hours of work with thoughtful ergonomic detailsSupports both Bluetooth and USB wired connections Product Features Ultra-precise movementSurface Precision Mouse helps you stay productive and in the flow with flawless transitions patented magnetic scrolling for precise control and three programmable buttons. More ways to multi-taskSurface Precision Mouse gives you more multi-tasking power by allowing you to work seamlessly across up to three computers. Supports both Bluetooth and wired USB connections. Experience a high level of controlSurface Precision Mouse supports your most detailed projects with carefully calculated weight stability and control for easy manipulation.