Brown noise (also known as red noise) is deeper kind of noise that has higher energy at lower frequencies.
It can help you with relaxation, improved focus and sleep.

Features:
★ True generated brown noise (no pre-recorded audio).
★ Simplicity.
★ Volume controlled by physical buttons or in-app.
★ Handy notification controls.
★ Low battery usage.
★ Shutdown timer for sleep.
★ Great for sleep / relax / focus.

How to:
Just press big "Play" button and brown noise will be played, then you may stay in app or press home / back to continue playing.

Disclaimer: This is not medical advice.