Microsoft Sculpt Ergonomic Mouse - Black Streamlined curves maximize comfort The advanced design of Sculpt Ergonomic Mouse maximizes wrist comfort while making navigation effortless. Shaped to encourage a more natural hand, wrist, and forearm posture, Sculpt Ergonomic Mouse helps prevent the pain of repetitive stress injuries. Navigation made simple Sculpt Ergonomic Mouse perfectly integrates with Windows 8. Simply click the Windows button for one-touch to access to the Start screen.