The Targus Wireless Optical Mini Mouse (Optical) allows you to wirelessly navigate a mouse without a wire up to 3 feet from a notebook or desktop computer. The mouse also features an optical sensor and digital signal processor to read and follow your mouse moves; eliminates erratic cursor movement and cleaning your mouse pad. With these two features combined this allows the mouse to be used on virtually any surface and position...On the plane or in the office, this is the perfect mouse for the road warrior in you