What is the function of the knob(Smart Dial) on the charging case?

Charging case (Smart Dial):
- No function by default.
Please set up the functionality in the Nothing X App for the Smart Dial to work.

Tap once and hold (non-customizable):
Lock / Unlock the Smart Dial

The Smart Dial supports actions triggered by Rotate, Single press, Double press, Triple press, Press and hold.
Available customizable functions include volume control, play/pause, skip forward, skip back, voice assistant, answer/hang up calls, and more.