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Why the unit cannot be
charged?
4. This headphone must not be charged at very low or high temperatures.
Please charge the headphone between 5 and 35 ℃.
5. Sometimes the indicator light does not light up after the headphone is
not used for a long time because the rechargeable battery is exhausted.
Continue to charge the unit, and the indicator will light up in a few
minutes.
6. Check whether the computers or other devices are turned on, because
the computers or other devices cannot be charged when it is in standby,
sleep or hibernation mode.
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