white noise machine raynic sound machine portable sleep machine with 24 natural soothing sounds, timer, usb port, headphone jack for baby, kids, adults, travel, office, home (silver) raynic after a full day of work or study, you just need a sound machine to help you fall asleep quickly and improve your sleep quality. the sound spa is enough to allow you to sleep through your snoring spouses and the loud neighborhood or noisy children. if you want to have a nap after lunch at office, it's just the perfect sound to cut out the noise from other people. you can even turn it up louder if someone is being especially obnoxious, and connecting headphones(no included) will not bother anyone.<br><br>the sleep therapy sound machine provides a constant, soothing sound for your brain, helps you block out distractions, and creates a perfect environment for sleep, relaxation, or concentration. there are 24 soothing sounds in the sound system for you to choose from: white noise, fan, ocean, rain, water stream, summer night, thunder, and forest. press the corresponding button of the sound that is most pleasing and relaxing to you or your family.<br><br>if you are tried using the nature sounds on your phone test our sounds machine. it has a timer as well so it doesn't stay on all night,there is an optional sleep timer that can be set for 15, 30, 60 minutes and the volume can be adjusted, easy to set. the sound spa machine is suited for people of all ages: older, adult, kids, baby, toddler, individuals with sleep disorders.<br><br>you have the option of using it on battery or on ac power, regardless of your choice. it is powered by adapter or batteries. the 1.0a output can safely charge your device. our machine’s portable design is convenient for travel, with 3 pieces “aa” batteries(no included), you can easily take it into your bag or suitcase, and use it outdoor.<br><br><br><b>product specifications:</b><br><br>model:cr1007<br>usb output: 5v 1.0a<br>power adapter: 5v 6.5w<br>product dimension: 6.3 x 5.2 x 1.8 inch<br>weight: 0.45lb<br>color: white<br><br><br><b>package included:</b><br><br>1 x sound machine<br>1 x ac adapter<br>1 x user manual