1.Quiet: It uses ultrasonic vibrations to turn water into mist, you hardly notice that little voice. Add essential oils to create a relaxing atmosphere.2. Adjustable mist mode: Intermittent mist (30s on/30s off), continuous mist You can refer to the picture or the manual to adjust the mode you need. This humidifier will automatically shut off when the water runs out. Don't worry about damaging the device itself or endangering users.3.Mini PortableThe product size is only the size of a woman's palm. (7.5*9.5*9.8cm) Our aroma diffuser uses a USB charger, which is very convenient to carry when traveling, or you can put in the car as a car humidifier. Make your trip as comfortable as at home.4. 7 LED Soft Colors: It is designed with LEDs, very soft light which can be adjusted and put in a favorite color. You can also set bright mode or dark mode.