3D Optical Wheel Mouse
Sensor sensitivity switching to 800 and 1,200dpi laser technology ultra-precise laser tracking on most surfaces
4-way navigation with "tilt" scroll wheel-up, down, left and right
Page Forward/Backward function for fast control of Internet web pages
Unique ergonomic shape for maximum comfort with easy to hold rubber coated side grips
Dimensions: 12 x 7.5 x 3.5cm