20 Sounds To Choice for adult & kids
Build-in 20 soothing sounds : white noise, pink noise, gray noise, brown noise, fan, craking fire, clock ticking, crickets, frogs, birds, rain, thunderstorm, stream, ocean, shush, womb sound, 3*lullaby.
Adult can relax with white noise , fan, nature sounds, etc.
And lullaby, womb sound shush and natrue sound are great for baby.