White Noise Machine Roffie Baby Sleep Sound Machine HiFi Non-Looping Soothing Sounds Timer and Memory Portable Sound Machine for Adult Baby Home and Office Privacy 35 Level of Volume Power by USB

"White noise is a common synthetic noise source used for sound masking. Can be applied to sleep-aid, audio test, sound mask, treat tinnitus, protect the privacy "——Wikipedia Roffie brand is committed to providing the best products and the most considerate service. Some Warm Tips Please charge the machine for 30 minutes before using it and keep plugged in during use. When the unit is turned on for the first time, the volume may be a bit loud. To avoid any unnecessary problems, please reserve some time to adjust the volume. Please keep it away from dust and water. And Wipe off dust with a damp cloth. What can Roffie white noise bring to you? Good for Family's Sleep Enjoy Travel  Keep Private Space Best Yoga Companion Product Specific Item Name: White Noise Machine Battery Types: NO battery Audio Interface: 3.5 mm jack Size: 11 x 11 x 6.2 (cm) Weight: 0.72 pounds Warranty: 2 years Package Includes:  1x  White Noise Machine 1x  Manual 1x  USB Cable