[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

白噪音/助眠场景优先选择声压级可低至20dB以下且支持定时关机的设备,普通蓝牙音箱最小音量通常仍有35-40dB,深夜播放会产生底噪干扰入睡

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80%
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Long-term
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