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The sleeping sound machine features 3 timer options:30,60,90 mins auto-off or continual running without set a timer,which is great for taking nap,relaxation,meditation and concentration.Toggle through timer until the corresponding LED goes off. what are we calling the "LED" are the three tiny lights on the front of sound machine. when there is no light on the three tiny lights at all. then it's on "continuous". This portable white noise machine built-in a headphone jack allows you to listen privately so you won't disturb others around you . The bottom has a place for the cord to be placed as it connects to a power sources so it always stays neat and sit smoothly on the surface. Tinnitus patients, shift workers, insomnia,Kid and AdultSimply to plug in to use the white noise machine (The power interface is at the bottom of the sound machine) and holding the power button for a couple of seconds to turn onThe sound of Douni white noise machine is very soothing and peaceful ,which helps little one and you sleep more soundly, block out street noises, noisy neighbors or a snoring partner, relieve anxiety and sleep better.It's nice to have this portable sound machine going in the background while working ,sleeping and relaxing.Feel free to reach out to support@dounitech.com with any questions .Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.






