[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

PU泡棉材质需捏扁后插入耳道再等待膨胀贴合,佩戴操作有一定学习成本;若插入方式不正确,实际降噪效果会大打折扣,建议初次使用者参考正确佩戴教程。

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