Low Noise Operation: Produces as little as 36dB of noise, this humidifier is very quiet, you won't realize it's working, so you can sleep or work peacefully. Unique Nano Technology: Humidifier uses nano technology, which can evaporate without heating. As the decomposes, release a soothing mist, which can effectively reduce dryness, reduce electronic radiation, eliminate static electricity, and be safe and clean. 7 Color Warm Light: Mini USB diffuser has a 7 color night light, long press for about 1 second to turn on the 7 color light. You can choose to cycle through the colors or set it to a specific color, or you can choose not to light up at all. Safety and Energy Saving: Mini humidifier has a probe, when the level of is lower than the probe, the humidifier will automatically shut off. If you need to continue using it, turn on the humidifier and add water to restart it. Three working modes: choose continuous mist, intermittent mist or only light function. After turning on the power,