Unverified72% confidenceDecision RuleTime unknown
震动/骨传导类冥想枕或颈枕，低频震动应在40-80Hz区间才有放松助眠效果，高于100Hz反而产生刺激感；购买前确认标称震动频率范围
1
Sources
72%
Confidence
Long-term
Relevance
-
First Seen
Sources
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