GB/Z 177.9-2026

Intelligence grading of artificial intelligence terminal—Part 9: Earphone

STANDARD published on 30.4.2026

English, Chinese -
electronic design (pdf) (ON REQUEST)

The information about the standard:

Designation standards: GB/Z 177.9-2026
Publication date standards: 30.4.2026
Country: Chinese technical standard
Category: Technical standards GB