How to turn off the sound of Xiaomi 6x key?

1. Find the "Settings" icon on the desktop and click to enter the system settings interface.

2. After entering the system settings, slide down the page, find the "sound and vibration" option, and click to enter the page.

3. After entering the setting interface, find the "Click the tone" option button in the sliding page, and click the button on the right side of this option.