1. A multi-purpose speaker, combing aroma diffuser & humidifier with lighting and speakers. The speaker has a variety of lighting modes that can be adjusted to create a variety of desired atmospheres. create a pleasant home atmosphere for stress relief and relaxation purposes. 2. Sleep Sound Library: comes with a sleep sound library, which offers relaxing sleep aids and soothing sleeping music, such as white noise and soft music to let you sleep better, sweeter, and deeper 3. Operates reliably in silence: 24.5 dB, quiet and low noise level. 4. Intelligent power-off: built-in intelligent detection chip, mist shuts off automatically when water is running out.