US Trademark Classification US09 Scientific and electronic apparatus 无线耳机（入耳式）（009-6297） Class 09 无线耳机（入耳式） 009-6297 Chinese 无线耳机（入耳式） English Wireless earphones Term ID 009-6297 Class 09 Type Goods Status Active · added, not since modified (A) Effective date 2022-08-18 Version 11-2022