This white noise machine with 9 non-looping soothing sounds: You can get 9 White Noise,like Birds, Ocean Waves, Stream, Thunder and Rian Soothing Sounds. Our sleep sound machine creates the most realistic and natural environment for good sleep, relaxation or meditation and promotes faster and more natural sleep. And with auto-off timer and memory function, you can choose auto timer mode on 15, 30 ,60 minutes and non-stop (all the timer indicator lights are off). The relax sound machine automatically adjusts to the last selected volume, sound type and timer when you turn it on. Lightweight and compact noise machine, easily to work with, in your bag or suitcase.