Concept demo
Quandong Sunset
Baby white-noise with sleep-safe auto-off and favorites.
What you do here
Select a sound and timer duration to play baby-friendly white noise with an automatic shut-off feature.
Try it
Result
Select a sound and timer duration to start playing baby-friendly white noise.
Illustrative: this concept demo builds a consistent example from your inputs. It is not the real calculation.
In the real product
The selected sound plays with the specified timer duration, or indefinitely if no duration is set.