The 66 watt fast charge can charge headphones, but the power is not up to the fast charge standard. And it's not good for headphones in the long run.
Huawei wireless Bluetooth headset instructions for the quick power that the detailed explanation, to see whether it can adapt to Huawei fast charge, if not, it is best not to use the Huawei fast charge to Huawei wireless Bluetooth headset charge, otherwise it will be unfavorable to Huawei wireless Bluetooth headset. The earphone will be provided with a type-C charging cable for charging. Use the standard type-C charging cable to connect to the type-C interface of the charging box to charge the charging box.
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The voltage and current supported by the headset is 5V 0.5A and 1A\/1.5A\/2A, as long as the voltage of 5v is supported, it can be theoretically charged, and it cannot exceed 66w, otherwise it will not first power off the protection mechanism.