玩家可以利用播放按钮两旁的按键设定起始点和结束点。

The player can set the in and out points (or 'start' and 'end' points) with the buttons on either side of the Play button.

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若五秒计时结束后，再按下按键也不会显示。

If five seconds after timing is over, then press the button will not display.

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当蓝牙通话结束后，MP 3需重新按键播放。

When the call ended MP3 needs to replay by key-press.

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