Unverified80% confidenceDecision RuleTime unknown
出行携带优先选实体白噪音机（真机械风扇声或采样播放），机身重量＜150g、直径＜7cm可放入背包侧袋；纯App方案在飞机/山区无网络时会失效
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80%
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Long-term
Relevance
-
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Unverified出行携带优先选真正的物理白噪音机（内置风扇+腔体共振），非循环采样音频，长时间聆听无接缝爆点，机身尺寸控制在直径10cm、重量200g以内可放进背包侧袋90% similarUnverified便携出行款白噪音机重量应≤200g、尺寸≤手掌大小（约7cm直径），可挂在背包或婴儿车上；台式款通常300g以上不适合随身携带85% similarUnverified机身重量＜200g、直径＜8cm的圆饼形白噪音机可放入随身背包侧袋，超过300g的多为家用款不适合随身携带83% similarUnverified旅行装白噪音机整机重量应控制在150g以内、尺寸类似手机，可放随身包；超过300g的桌面款更适合固定家用而非出行携带83% similarUnverified旅行装白噪音机重量控制在150g以内、体积小于手掌（约7cm直径）才真正适合塞进随身包，超过300g的家用款出行会成负担82% similar
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