Charge your headphones
The earphone is separated from the battery, when the earphone power is exhausted or too low, you can put the earphone into the corresponding charging and charging, the red light indicates that the earphone is charging.
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Charge the charging box
The charging interface of the charging box is now a popular Type-C interface.
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The headphones come with a Type-C charging cable.
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Use the charging cable to connect the charging box to the USB power supply. When the charging box is red, it means that it is charging. When the green light is on, it means that the charging box is full.
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Tip: You can put the earphones into the charging case and then connect the power to charge the charging case and earphones at the same time.