アプリ「Nature Sounds for Relax」の魅力を紹介！
Nature Sounds for Relax
Sounds of nature will help you recover in just 15 minutes of rest or fall asleep quickly after a hard day. You can customize each of the background sounds as you like. For example, add singing birds, the sound of rain or the sound of a fire and much more. You can also set the off timer. Now your sleep will be much better.