First, the use of USB charging cable directly connected to the computer and other devices for charging.
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The QCY Bluetooth headset usb charger has a wide voltage range of 100V to 240V, 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.
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Third, you can use the car charger to charge. The input voltage of the QCY car charger is compatible with 12V DC