90123655
Aug 19, 2020
Jun 1, 2021
HUMBOLDT TECHNOLOGY (HK) LIMITED
Active Trademark
Earbuds; Earphones; Headphones; Downloadable software to control and improve audio equipment sound quality; Ear pads for headphones; Headsets for telephones; Music headphones; Noise cancelling headphones; Protective cases for audio equipment in the nature of headphones; Wireless headsets for smartphones
Electrical and Scientific Apparatus