86527417
Feb 6, 2015
Apr 4, 2017
Electronic equipment and instruments used in earphones and headphones; audio electronic components used in earphones and headphones; software to control and improve sound quality in earphones and headphones
Electrical and Scientific ApparatusCustom manufacture for others in the field of electronic audio equipment; custom manufacture for others in the field of audio electronic components
Treatment of MaterialsResearch and development for others in the field of electronic audio equipment and software for the foregoing equipment; research and development for others in the field of audio electronic components and software
Computer and Scientific