Experience new levels of productivity with the Adesso iMouse M40 2.4GHz Wireless Mouse. This advanced wireless mouse offers you 30 feet of wireless freedom and eliminates the constraints wired mice often cause. Its optical sensor tracking method lets you work on any surface with better speed and accuracy. The 3 button mouse is designed with an enhanced optical sensor of 1200 DPI which provides better speed and accuracy. With a 2.4 GHz connection, no wires or cords will be tangled and you have a 30 ft range in any direction.