[KongchangAI]
Unverified80% confidenceFactTime unknown

带蓝牙听音乐/对讲功能的电子降噪耳罩,其降噪芯片在电量耗尽后仍保留被动隔音,但ANC失效,工业作业选购时应确认关键防护指标为被动NRR而非主动降噪值

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80%
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Long-term
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