one
Use headphones when there is no electricity, remove the headphones
two
Put it into the charging bay. If the green color is displayed, it indicates that there is electricity, and the red light does not flash
three
If there is no power in the charging bay, connect the usb cable and prepare to charge
four
Connect to the power supply, charging bay red light does not flash, charging bay is full
one
Open the headphone case.
two
After putting in the headset, you can charge the headset directly when the headset compartment is powered.
three
The headphone case is out of power, plug in the charging cable to charge the headphone and headphone case together.