It's probably the Bluetooth headset setup. We know that Bluetooth earphones can be set to only use one, whether another earphone that is not used can not be charged under its Settings? There's no sound on this headset, just an inference.
Can we take inspiration from the way Bluetooth connects one headset to two?
1, first of all, in order to solve the problem of only connecting one Bluetooth headset, open the cover of the Bluetooth headset charging room, and then take out the headset. 2. After taking out the headset, put the headset back to the distance according to the corresponding position, and the indicator light will turn on. 3. Then close the cover of the charging compartment of the Bluetooth headset and wait for 1 minute. 4. Finally, take out the headset that can be connected, press the touch area on the back of the headset for a long time, and when the indicator flashes red and blue, it means that it can be reconnected. After the earphone is connected, take out the earphone that cannot be connected, and the ear will be connected. In this case, the other one can also be connected.
May be poor contact; Not connected; Because the Bluetooth chip built-in program of the new headset is not activated, or the headset memory connection number is full; The charger output voltage is too large or too small, the standard should be between 3.5-5 volts; Battery contact is poor, or the protection board is damaged, you can check it with a voltmeter, or it may be the internal line is damaged; The charger is broken; Can not be processed to the after-sales service processing.
1, when the Bluetooth headset has a power and a no power, you can take out the powered headset from the headset box, plug the no power in it, and so on, after the indicator is displayed, it means that it enters the charging mode.
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2, after the two batteries are fully charged, open the Bluetooth on the phone, according to the above tips to find the headset device, and then let the phone automatically recognize the pairing, connect it can be used normally, you can also set the headset mode according to your own needs.
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3, if there is no charging box, you can also use a USB cable to connect the computer to charge, when charging, the headset indicator light will appear different colors of light, if it is green, it means full, amber indicates the state of insufficient power.