Choose different melodies to mix and create your own melody.
A variety of basic melodies are available, such as rain, ocean, river, country, east, night, city, piano, harp, guitar, flute, violin and saxophone, etc.
Save your customized melody to the library and listen to it anytime, anywhere.
The volume of each relaxation sound can be adjusted separately.
Built-in timer, select the time to play the sound.
Every natural sound is completely free.
9Apps 4.9
