1\/ Through the mobile desktop 【 Settings 】
2\/ Re-enter 【 Sound & Vibration 】
3\/ Open [More Sound Settings] and go to [Headphones back]
4\/ Open the software that needs to use headphones to listen back. Open [More apps] and you can see the software that supports headphones to listen back.
5\/ After listening to the mobile phone headset, you can hear your own voice through the headset when recording songs. At the same time, you need to turn off the ear back of the application software and the ear back of the external device to avoid conflict.
Hello, OPPO mobile phone want to use headphones to listen to the sound, then you just need to plug your OPPO mobile phone into your headphones after the connection is good, you can use the headphones to listen to the sound.