About 2 Trademarks found that are owned by Shenzhen YIyi Technology Innovation Co LTD

Earphones; Headphones; Headsets; Loudspeakers; Megaphones; Audio- and video-receivers; Portable media players; Record players; Sound transmitting apparatus; Tube amplifiers

Advertising agency services; Advertising and advertisement services; Advertising and marketing; Advertising planning; Business management consulting; Conducting marketing studies; Consultancy regarding advertising communication strategies; On-line retail store services featuring a wide variety of consumer goods of others; Online advertising on a computer network; Radio advertising