[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

为哄睡婴幼儿使用时,最大音量应能达到70dB以上以掩盖环境噪音,但需避免长期贴近婴儿床(建议距离≥30cm、音量≤50dB),部分设备最大音量超85dB存在听力损伤风险

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