Safe One-Touch Design - Child Humidifier has CE and RoHS certifications to ensure the product is free from harmful chemicals. A single button controls functions including turning the humidifier on and off, as well as turning on the night light and switching between continuous/flashing spray modes. Ultrasonic technology UPDATE: The ultrasonic humidifier delivers microns of water mist at 2.4 million high-frequency oscillations per second to hydrate skin and relax eyes. 300ml capacity can work for 6-10 hours (continuous/flashing spray), enough for 20 square meter room. Sit back and enjoy work, study, yoga, relaxation and spa treatments. Friendly reminder - Dimensions: 8.8 x 8.8 x 14.3cm. Weight : 160g - Batteries are not included. Please make sure the USB cable is always plugged in when in use (to maintain power). This product can be used as a fragrance diffuser, but it is not a professional fragrance dispenser, Use highly water-soluble essential oils to avoid dissolving the plastic and blocking the wick with damage to the product. Improve your living space: Let the soothing aroma and soft light fill your home, the DC silent atomizer film reduces noise to 26 decibels, and the 7 different color LED lights of the humidifier will constantly change (or can be turned off at any time). The comfortable environment will make you forget all your worries while giving your baby a quiet and sweet night for a good sleep. Wide Use and Portable: The small shape makes this mini humidifier more portable, you can put it in your backpack or luggage (also perfect for car cup holder), it can be used in a variety of environments, such as children's room, home, living room, office, car , etc. Number of sends: 1pcs (without battery)