Pero:Calm, Relax, Focus Sounds

"Pero" is an app that plays white noise
White noise is full of vibration frequencies that the entire human ear can hear, and can help a person relax or sleep。
When you need to concentrate on work and there are always complicated sounds around, you can use white noise to mask it.
In Pero, you can hear
Spring rains, thunderstorms, oceans, nights, summer cicadas, temples, forests, waterfalls, wheat waves and many other white noise that can make you calm and relax
Pero is suitable for the following people
-People who want to focus on studying and working
-People suffering from insomnia
-Deep noisy environment, often interrupted crowd
-Anxious, mentally exhausted high-pressure people
-Meditation practitioners who seek inner peace