When the charging bin is out of power, you can plug in the charging cable and connect the charger to charge. The headphones are charged simultaneously in the charging bay.
The charging compartment of the Bluetooth headset is generally charged for two to three hours, mainly depending on the size of the battery of the Bluetooth headset, the larger the battery of the Bluetooth headset, the longer the charging time will be.
Due to the natural disadvantages of split Bluetooth headset battery life, the battery life is generally less than 4 hours, and the portable charging compartment can provide additional power supply for the headset, thereby extending the battery life of the Bluetooth headset to more than 10 hours, to meet the user's all-weather use of the renewal
It can probably last more than 20 hours or so, but it is also necessary to see whether the cost and the power difference is large, the general power consumption is relatively large, may also adhere to about 20 hours of time, if the power consumption is not very large, can adhere to the time of more than 20 hours is no problem. So see if his power consumption is big, and then determine the time.