Microsoft Surface For Business Precision Bluetooth Mouse - Light Grey - 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 - Compatibility: Host device(s) must support Bluetooth 4.0 or higher - Weight: 135 grams including batteries - FUH-00005 - 12 Months Limited Warranty

Manufacturer Warranty: 12 Months Limited Warranty

Manufacturer Contact Info: http://www.microsoft.com/en/au/default.aspx, 13 20 58

Surface Precision Mouse helps you stay productive and in the flow with flawless transitions, patented magnetic scrolling for precise control and three programmable buttons.

• Flawless detent or smooth scrolling and precise on-screen movement.
• Personally customizable—three programmable buttons help you get more done quickly and intuitively 
• More multi-tasking power—use with up to three computers at the same time 
• Designed for comfort and hours of work with thoughtful ergonomic details
• Supports both Bluetooth and USB wired connections