Precise Volume & Timer Settings: With 32 levels of volume, it is ideal for creating a peaceful sleeping environment for you and your baby. Easily set 1 hour, 2 hours, 3 hours, or continuous play to control the comfort level for your unique space. 40 Non-Looping Sleep Sounds: Enjoy a variety of sounds including white noise, lullabies, piano, frog, fan, brook, rain, birds, waves, bonfire, train, crickets, and more. Suitable for babies, children, and adults, helping to mask disruptive environmental noises. 18-Month Warranty & 100% Satisfaction Guarantee: The white noise machine comes with an 18-month warranty from the date of purchase. If you have any issues, please directly. Function & Safety: Memory function automatically restores your previous volume, sound, and timer settings. Powered by AC or USB. The device is certified by FCC, CE, and RoHS, ensuring safety and reliability. Automatic Restore & Portability: Compact design (3.9 x 3.93 x 2.3 inches), making it portable for use at home, in the office, or while traveling, providing consistent sleep support wherever you go. Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional differences may occur due to manual measurement. Sold by DIMEANI official store