1. First of all, you need to put your headphones into the headphone case
2, Next little friends need to use the type-c interface to connect the headset box together, you can charge.
3. At the same time, before the battery of the headset box is exhausted, we can directly put the headset into it and charge it
PS:
Huawei freebuds4 this headset only with wired charging, does not support wireless charging
The first charge needs to be charged at 10% of the time.