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Charge device
Before using the treVolo U Bluetooth speaker, please charge the
speaker thoroughly with the USB cable and power adapter supplied by
BenQ.
If the speaker is not in use, the battery will take approximately
3 hours to be fully charged. A fully charged battery can last up to
12 hours.
• The speaker will make a notice sound when the batter is below 20%.
• When the battery is completely used up, the speaker will power off
automatically after low battery indicator appears.
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