The specific analysis of how to see Bluetooth headset charging is as follows:
This is mainly to look at the color of the Bluetooth headset indicator light, red represents charging, green represents full.
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OPPO in 2020 out of the Bluetooth headset, the latest Bluetooth headset is OPPO encoR, Bluetooth headset charging operation process is as follows:
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When the Bluetooth headset is out of power, there will be a flashing indicator, at this time, the connected charger indicator will turn red steady on, and when the indicator turns green, it means that the battery is full.
When charging a wireless Bluetooth headset, the headset case will generally flash red light, representing normal charging.
Open the headphone cover and you can see that both headphones have red lights, which means that both headphones are charged normally. If one doesn't have a red light, then one isn't fully charged.