Features1Various Sounds: White noise machine with various calm sounds, suitable for many people, let you immersive full release of body and mind. 2Improve Sleeping: White noise sleep machine adopted excellent sound source and special acoustic principles design, which can effectively promote sleep quality. 3Noise Blocking: White noise not only promotes sleep, but also blocks out the distractions of external noises, helping us concentrate in school and work. 4Colorful Light: Sound white noise device adopted night light design, with 7 colors, allowing you can easily find things in the dark and create a warm environment. 5Widely Use: White noise device can be used for sleeping, feeding, and even reading, suitable for use at home, office, dorm, baby nursery or anywhere else you want.SpecificationItem Type: White Noise MachineMaterial: ABSCharging Mode: USB PortBattery Type: Lithium Battery 2000mAh (Included)Package List1 xWhite Noise Machine 1 x USB Cable 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store