Surface Precision Mouse Ultra-precise movement Surface 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-task Surface Precision Mouse gives you more multi-tasking power by allowing you to work seamlessly across up to three computers.2 Supports both Bluetooth and wired USB connections. Experience a new level of control Surface Precision Mouse supports your most detailed projects with carefully calculated weight, stability, and control for easy manipulation. Specifications Interface USB 2.1, Bluetooth Low Energy 4.0/4.1/4.2 Wireless frequency 2.40 GHz frequency range Buttons 6 buttons, including right and left click and scroll wheel button Design Ergonomic design with side grips Scrolling Smooth or magnetic detent customizable horizontal and vertical scrolling. Compatibility Windows 10 Home, Windows 10 Pro, Windows 8.1 - fully customizable Windows 10 S Windows 7 (USB mode only, cable included) Mac OSX To be used in wireless mode, host device(s) must support Bluetooth 4.0 or higher. (Note: many Apple and Windows 7 devices do not support these versions.) Customization of buttons and Smart Switching only available by using Mouse and Keyboard Center Software Not available on Windows 10 S or Mac OSX. Dimensions 4.80 x 3.05 x 1.70 in. (122.60 x 77.60 x 43.30 mm) Weight 4.76 ounces (135 grams) including batteries; weight may vary Battery Rechargeable lithium ion batteries Battery life Up to 3 months Warranty 1-year limited hardware warranty