oppo wireless Bluetooth headphone flash charge generally 1 hour can be full, full directly unplug the charger can be, now the mobile phone battery is mostly lithium battery, there is no memory effect, in addition do not charge while playing, long time charging, and after the battery is completely out of charge, the battery overcharge and overdischarge damage to the battery will be relatively large.
Two to three hours.
When the Bluetooth headphone indicator changes from red to another color, it is fully charged. About two or three hours.
Generally, the indicator light of Bluetooth headphones has two colors, and it is usually red to indicate abnormal power. In normal use, the green light flashes slowly, and the red light flashes from time to time (it will also emit a \"beep\" from time to time. ,