REAL AIR - REAL SOUNDS - Drift off to a peaceful sleep with an all-natural sound of rushing air in the form of white noise, this uniform sound will block any outside noise that might otherwise disturb you. Simply plug it in, turn it on and you're on your way to get a good rest!EXPERT CRAFTSMANSHIP: With its unsurpassed quality, ease of operation and compact design, HemingWeigh has designed a superior sleep aid machine that is unmatched by its competitors. This sound machine will mask any external noise and its soothing sound will lull you to a good night of sleep.NOT JUST FOR SLEEP: Millions of satisfied white noise machine customers have been surprised by their improved sleep, relaxation and enriched concentration. Our white noise sleep machine is perfect for baby nurseries, offices, or any other environment that's in need of some privacy and quiet.BUILT-IN USB PORT & NIGHT-LIGHT: As far as sound machines go, this is the complete package that will get you the most for your money. Sleep machine contains a built-in USB port for convenient night-time charging and a built in LED night light (with separate on & off switch) which is ideal for children or adults who get up during the night.GUARANTEED: customer service is our top priority. We offer a 60 day money back guarantee, just send the product back to our store and we promise to make it right! Buy with us worry free!