[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

正确佩戴是发挥 NRR 29dB 效果的前提:需将耳塞搓成细条状后拉直耳廓插入,松手后等待其膨胀贴合,佩戴方式错误会大幅削减实际降噪量

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90%
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Long-term
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