The Microsoft Sculpt Ergonomic mouse is designed for comfort and all day use and per Microsoft has the following features.

– The shape of the mouse is designed to maximize wrist comfort

– Thumb scoop helps maintain the correct ergonomic hand and wrist position

– 4-way scroll wheel for navigating up, down, left and right

– Windows Button for one-touch access to the Start screen

– Back button for faster navigation

– Up to 12 month battery life

– Works on virtually any surface with BlueTrack Technology