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