White noise
Broad, steady noise that masks the room without asking.
Mask the room
White noise is broadband sound that covers the frequencies your office, café, or apartment likes to interrupt you with.
What it masks
band 60–400 Hz covers chatter, traffic, keyboards keeps your own quiet target focus + light sleep
Why it works
Your brain stops tracking the noise around you and starts tracking the work. That's the whole product, in one knob.