Experience new levels of productivity with the Adesso iMouse M80 2.4GHz Wireless Mouse. Its optical sensor tracking method lets you work on any surface with better speed and accuracy. The 3 button mouse is designed with an enhancedoptical sensor of 1200 DPI which provides better speed and accuracy. With a 2.4GHz connection, no wires or cords will be tangled and you have a 30 ft range in any direction.