Unverified75% confidenceTradeoffTime unknown
续航与音量存在此消彼长关系：标称续航多按低音量测得，实际以掩盖噪音的中大音量播放时续航常缩水30%-50%，差旅按标称值打七折规划更保险
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75%
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Unverified续航与音量成反比：满音量运行会使标称续航大幅缩水（常缩水30-50%），选购时看的续航应按实际中等音量估算而非厂商标称值93% similarUnverified开启主动降噪和高音量会显著缩短续航，标称续航多在关闭降噪/中等音量下测得，实际使用打七折估算更靠谱91% similarUnverified续航与音量互相矛盾：标称续航多在中等音量下测得，车内需盖过胎噪风噪时常开大音量，实际续航会缩水30%-50%，长途用户应选支持边充边放的型号90% similarUnverified宣称的续航时长通常按50%-60%音量测得，实际户外大音量播放会缩水30%-50%，选购时按标称续航打7折估算89% similarUnverified单耳续航与降噪强度呈反比，开启强降噪普遍缩短续航20-30%；标称续航多为关降噪数据，实际使用需按约7折估算89% similar
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