The first charging time of the Bluetooth headset the first charging time is maintained at 2 to 4 hours or so, the Bluetooth headset is not fully charged when it comes out of the manufacturer, this time it is necessary to fully activate the battery, the first three times to charge the Bluetooth headset time can be longer, When charging the Bluetooth headset, it does not need to be charged for such a long time, each time for about two or three hours, it is completely OK, and when charging the Bluetooth headset, it is fully charged and do not continue to charge.