注：当在使用插式耳机听音乐时，系统会自动关掉外部扬声器的声音输出。
Note: When insert earphone in GPS navigator to listen music, the speaker output will be closed automatically.
排除由于信号不佳、耳机故障等外部不可抗的因素带来的干扰，还有许多技巧可以帮同学们在此部分拿到更多的分数。
Exclude due to signal not good, headset failure of external irresistible factors bring interference, there are many techniques that can help the classmates in this part get more points.
闭合的耳机得心应手如果你需要阻拦外部听起来或保留你听你自己在一间安静的屋子。
Closed headphones are handy if you need to block outside sounds out or keep your listening to yourself in a quiet room.
包括一个外部前口袋，以及可拆卸的耳机和收发案件。
Includes one exterior front pocket as well as detachable headset and transceiver cases.
然而研究显示消费者也不喜欢玩的时候外部鞭子天线，或不得不总是随身带着耳机(FM天线作为线)。
Yet research shows consumers also dislike the hassle of external whip antennas, or having to always carry headsets (which serve as an FM antenna wire).
然而研究显示消费者也不喜欢玩的时候外部鞭子天线，或不得不总是随身带着耳机(FM天线作为线)。
Yet research shows consumers also dislike the hassle of external whip antennas, or having to always carry headsets (which serve as an FM antenna wire).
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