Microsoft Sculpt Ergonomic Mouse - right-hand - RF Wireless - Black

Ergonomic design with thumb cavity promotes natural posture of hand and wrist. Elegant, glossy elements and comfortable, non-slip surface. BlueTrack technology for high precision on virtually any surface. Wireless freedom with advanced 2.4 GHz technology and compact mini receiver. Exceptional functionality. Three customizable buttons including 4-way scroll wheel for fast horizontal and vertical scrolling.