你有没有碰到过这样的人：
明明戴着耳机在你旁边听歌，你却能清楚地听见每一句歌词？明明他在房间里看电视，你却能在楼下听电视？
如果不想听力损害，音频设备连续佩戴时间不宜超过 60 分钟，设备音量建议不要超过最大音量的 60%
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