Unverified82% confidenceDecision RuleTime unknown

便携解码耳放选USB Type-C直插式（如DAC小尾巴）优先，输出功率通常125-320mW，续航靠手机供电无内置电池更轻便但增加手机耗电

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Unverified小尾巴（Type-C DAC）从手机取电会增加约15-30%续航消耗，长途出行重度使用者应选带独立供电的便携耳放或准备充电宝81% similar Unverified优先选同时带USB-C有线输出口的磁吸充电宝，可有线给iPad/安卓机快充（20W-30W），纯无线单一输出款在多设备场景下利用率极低77% similar

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