Early prototypes of the mouse featured a rectangular wooden shell with two metal wheels inside – one for the X axis and one for the Y axis. The device had just one button, located in the top corner.
It comes with three buttons and offers a DPI of 1000 to ensure smooth movement.It comes with a reception range of 10 meters. Lenovo 300 Wireless Compact Mouse,1000 DPI Optical sensor, 2.4GHz ...