[KongchangAI]
Unverified85% confidenceFactTime unknown

睡眠耳机绝大多数无主动降噪(ANC),主打物理隔音(被动降噪),因为ANC电路持续供电会缩短续航且高频电流声反而影响入睡;追求降噪应看被动隔噪值而非ANC参数

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85%
Confidence
Long-term
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