Shenzhen heng shang pin technology co. LTD B4 ユーザーズマニュアル
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4. HOW TO CHARGE THE BATTERY
Plug the headset into any available USB port on your PC by using the USB
cable.
cable.
NOTE1: For safety reasons, we designed this headset to be not functional
while it is under charging.
NOTE2: If the output of your charger for this headset is higher than 5V, it will
NOTE2: If the output of your charger for this headset is higher than 5V, it will
damage your headset potentially. You must use standard charger(5V or lower)
for your headset.
for your headset.