1, the use of earphone charging box for charging: the general Bluetooth earphone (split) will come with a charging box, it has the function of storing and protecting the earphone in addition, but also can charge the earphone, when our earphone is out of power in the outdoors, you can use the remaining power inside the earphone box to charge the Bluetooth earphone.
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2, the use of mobile phone reverse charging: many mobile phones now support wireless backcharging, if the headset and headset box are out of power at the same time, you can put the headset inside the box, and then use the wireless charging function on the back of the phone to re-charge the headset.
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3, the use of charging cable charging: Generally when the Bluetooth headset is purchased, there will be a charging cable, which can be used to plug into the phone charger or the usb port of the computer to charge.
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4. Use a power bank to charge. Nowadays, many charging banks also have the function of wireless charging, so you can also charge headphones that support wireless charging, or charge them with a charging cable connection.
You can just put the headphones in the charging bay