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The Bluetooth headset has no power and the other can be charged, the headset can be charged into the charging box, can not be charged, may be the charging box power is also exhausted, you can connect the charging line to charge, when the headset is out of power, it is generally recommended to charge in time, so as not to affect the use of experience.
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Headset use tips: 1. There are many reasons why Bluetooth headphones have no sound, which may be that the headset and the mobile phone are disconnected, you can try to re-pair and use; The headset may be damaged; Need to contact after-sales maintenance; The device may run out of power and need to be charged. May be the phone system volume set to 0, you can turn up the volume to solve; It may be that the phone is too far away from the headset to transmit the signal.
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2, the computer can be connected to the Bluetooth headset, open the computer, enter the win10 Settings page, turn on the Bluetooth function, and then pair with the headset.
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3, headset call sound quality is not clear, may be blocked microphone, you can clean up and use.
In this case, the other earphone must not be charged, or the other earphone has a problem, there is a fault.