Step\/Method 1
Take oppo mobile phone as an example, first open the mobile phone and enter the mobile phone Settings interface.
Step\/Method 2
On your phone's Settings screen, tap to turn on Bluetooth.
Step\/Method 3
In the Bluetooth Settings screen, we click to turn on the Bluetooth headset that our phone has been paired with.
Step\/Method 4
Finally, directly turn on the charging switch, and the Bluetooth headset can be charged.