1, use the earphone charging box to charge. Use your phone to reverse charge.Charge with a charging cable. Charge with a power bank. vivo 1 minute ago · vivo is a brand focused on the field of smart phones.
2. If the vivo/iQOO Bluetooth headset or charging case is not charged, please check whether the charging case is charged (whether the indicator light is on), and whether the charging contact at the bottom of the headset is dirty. If there is dirt, please clean it with dry cloth or dry paper towel; If the vivo/iQOO wireless headset can not be charged, please plug and unplug several times when charging, or replace another charging head and charging cable to see whetherYou can charge it.
3, first of all, you need to fill the charging box and headphones respectively, and ensure that the charging box is sufficient. When used for a period of time, the headphones can be put back into the box when the battery is low, and the box will automatically charge the headphones. Direct charging: Some Bluetooth headsets use a direct charging method, which can be connected to a computer or mobile power supply and other devices through the USB interface for charging, and can also be connected to a power socket through the charging head for charging.