[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

海绵塞舒适柔软但反复使用会吸附耳道分泌物和细菌,每副仅建议使用3-7次;追求卫生和长期成本可选可水洗硅胶塞,但硅胶偏硬侧睡舒适度下降

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85%
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Long-term
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