China’s Smart Glasses Acoustic Testing Standard Takes Effect Oct 2

A national metrological specification is a quieter lever than a product mandate, but it matters because it gives manufacturers, labs and retailers one acoustic yardstick to test against — useful groundwork for a category still short on shared definitions. The immediate effect is on testing and compliance workflows rather than on consumers, since the standard governs how performance is measured, not what performance is required. Whether it becomes a de facto reference for cross-border product claims, or stays a domestic testing convention, is the open question worth watching.