Unverified85% confidenceDecision RuleTime unknown
泡棉耳塞（PU/记忆棉）低频降噪最佳、贴合度高，适合睡眠和飞机引擎轰鸣；硅胶耳塞高频衰减更好但低频弱，适合游泳防水和短时使用
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85%
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Long-term
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