Laser pen, Beijing XinXin Guangye Technology Center (ULTR brand laser pen manufacturer). Facing the rapid development of information technology and increasingly fierce market competition in the new century, we will continue to launch the ULTR series of advanced laser pens (including wireless mouse configuration USB laser pen, wireless page-turning configuration USB laser pen, wireless mouse laser pen, wireless page-turning laser pen, green light wireless page-turning pen, high-power green light laser pen, imported laser pen, ordinary laser pen, multi-functional laser pen).