97433095
May 27, 2022
Jul 4, 2023
SHANGHAI YIYAN INFORMATION TECHNOLOGY CO. LTD.
Active Trademark
3D spectacles; Earphones; Megaphones; Smartglasses; Battery charge devices; Electronic navigational and positioning apparatus and instruments; Eye glasses; Loudspeakers with built in amplifiers; Portable media players; Smart watches
Electrical and Scientific Apparatus