How does oppo amplify the sound ten times?

ColorOS 1 1 system adds the function of sound intensifier. The mobile phone collects the ambient sound through the earphone, amplifies the ambient sound, and can hear the sound with greater decibel. Fine-tuning the sound, adjusting the sound of the left and right ears; You can pause/start enhancing the ambient sound. If not, turn off barrier-free mode.

Setting method:

ColorOS 12 and above: go to settings > system settings > accessibility > hearing >; Sound Enhancer ",after opening" Quick Enable ",click the" Little Man "icon in the lower right corner of the screen to bring up the menu interface.

Coloros11.0-11.3 version: enter the settings >; Other settings > Accessibility > Sound Enhancer. When Quick Enable is turned on, click the "Little Man" icon in the lower right corner of the screen to bring up the menu interface.