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Unverified70% confidenceFactTime unknown

Marpac Dohm（Yogasleep Dohm）为经典机械风扇式白噪音机，内部真实风扇发声，仅提供单一风声但可通过旋转外壳开孔和调速两档改变音色，无电池需插电

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70%

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Medium-term (~90 days)

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-

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白噪音机category

Related Claims

UnverifiedMarpac/Yogasleep Dohm采用真实风扇气流发声，无音频循环、无USB充电(需插电)，音量靠旋转外壳开孔调节，无定时功能，是机械白噪音的代表型态89% similar UnverifiedMarpac/Yogasleep Dohm采用真实风扇气流发声，无音频循环，声音自然，但仅有单一风扇白噪音、无耳机输出、需插电使用87% similar Unverified机械风扇式白噪音机（如Marpac/Yogasleep Dohm）通过内部真实风扇转动发声，无循环感但需插电、不可调节具体音效种类，只能靠旋转外壳调音色87% similar Unverified机械风扇式白噪音机（如Marpac/Yogasleep Dohm）靠真实风扇产生气流声，无电子采样循环感，音质自然，但只有单一风声、无法调音效种类、无耳机输出、需持续供电85% similar Unverified机械风扇式白噪音机（如Yogasleep Dohm）通过旋转外壳双圈开孔调节声音音调与音量，而非改变风扇转速，因此音质稳定但音量与音调联动调节、无法完全独立85% similar

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