... .Size:108*75*50mm 4.Patent NO.:20103057553.4 new design mouse: Patent NO.:20103057553.4Colors: black, red, green, sapphire ... Type: USBSize:108*75*50mmPacking:gift box New exotic: the ergonomic design, lovely shape, feel comfortable, crisp button, moderate intensity, ... USB interface, optical positioning technology. Unique appearance and unique design features unique to warm hands, so you no longer cold ...