Brown Noise

真正的实时棕色噪声发生器可改善睡眠，放松心情和注意力。

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.