[KongchangAI]
Unverified85% confidenceFactTime unknown

宣称NRR 33dB以上的耳塞需注意:实验室认证值远高于日常佩戴实际衰减,用户实际隔音通常打对折,佩戴姿势正确(搓细→塞入→保持膨胀)比标称数值更影响效果

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85%
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Long-term
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