A, the use of USB charging cable directly connected to the computer and other devices for charging.
Second, you can use the charging plug to charge, efficient power output, can adapt to a variety of power environments, as long as the charging line can be easily charged. You can choose your own mobile phone charging head, as long as the 5V1A charging head is suitable for QCY Bluetooth headset charging.
Third, you can use the car charger to charge.