Mouse can also be used by giving key to it like giving key to clocks. Sustail is a wind-up mouse. By rotating the key on the back side, mouse will be charged. After charging, key can be placed on the back side of the mouse. Sustail mouse is the solution for battery woes and wireless mouse. This mouse works on renewable energy. http:// bit.ly/bH52uh is the site for any kind of reference.
