... :108*75*50mm 4.Patent NO.:20103057553.4 wired 3d optical mouse: Patent NO.:20103057553.4Colors: black, red, green, ... exotic: the ergonomic design, lovely shape, feel comfortable, crisp button, moderate intensity, 1000DPI high-precision optical positioning technology, ... sensitive, stable non-pointer jumping. USB interface, optical positioning technology. Unique appearance and unique design features ...