4 Timers & Smart Memory FunctionYou can set 1/2/3 hours of timing or continuous playback according to your needs. When the time is about to end, its sound will gradually fade out, and it will not suddenly turn off so as to wake you up, allowing you to sleep peacefully. And our memory function will automatically remember your settings before the last shutdown, so you don't have to bother setting your favorite sound and volume.Safety & SecurityThis white noise machine has passed FCC, CE and RoHS certifications. It is safe and non-hazardous and can be used with confidence. We also provide an 18-month warranty period. If you have any questions about our products, please feel free to consult us and we will do our best to solve the problem.12 Colors Night Light & 10 Adjustable Brightness Levels12 colors night light can create a warm sleeping environment, the light is soft, not dazzling, can be used as a bedside night light, which can be used for sleeping, reading, lighting and setting the atmosphere. At the same time, it can easily adjust 10 levels of brightness changes with just one button to meet the needs of a variety of scenes. It can not only illuminate daily living, but also create a warm atmosphere.Exquisite Design & Simple OperationWith Intuitive and simple button, very easy to operate. It is suitable for babies, children, adults and seniors, and can be carried at home, in the office or on business trips. Perfect for improving sleep quality, comforting babies, relaxing mood and blocking annoying noise.30 Natural Soothing SoundsProvide 30 high-fidelity lossless sounds, giving you an immersive sound experience--Brown/Pink/White Noise, 2 Fan Sounds, 4 Rain Sounds, 3 Sea Wave Sounds, 3 Lullabies Sounds and other 15 natural sounds (Heartbeat, , Brook, Bird, Fireplace, Train, Hushing Sound, Water Drop, etc.). And its 32-level volume also makes it loud enough to block the annoying noise from the outside world and help you sleep better.