Usually, you can find the touch controls for Liberty 3 Pro on the user manual. But for your reference, we will list the controls for Liberty 3 Pro below:
You can enable this function in the Soundcore app.
All of the controls in stereo and mono modes can be customized in the Soundcore app.
Adjust the volume level via the connected device or in the Soundcore app.
In stereo mode, noise cancellation mode is set by default. Each time you power on and connect, or switch to the stereo mode from mono mode, your earbuds will restore the last setting.