Huawei freelace headphone uses the Type-C plug charging mode. You can see the headphone plug by unplugging the plug switch marked with a red ring on the right collar.
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2. When purchasing headphones, a Type-A to Type-C female adapter cable for charging will be provided with the box.
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3. Connect the headphone plug to the included Type-A to Type-C female connector, and then connect the other end of the connector to the booted computer or USB power adapter to the power supply.
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4. When the Huawei freelace headset is charging, the indicator blinks red or white. Charging takes about 70 minutes to complete, and then the headphone indicator lights on in white. After charging is complete, you can disconnect the headset from the power supply.
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5. If the mobile phone is Type-C charging port and supports reverse charging, you can directly insert the earphone plug into the mobile phone charging port for emergency charging.