[KongchangAI]
Unverified75% confidenceTradeoffTime unknown

头枕高度和角度可调是核心,固定头枕若卡不到后脑或颈部位置反而变成累赘;习惯正襟危坐、身高偏矮者头枕使用率低,不必为头枕多花钱

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