What it is: An eye-catching ultrasonic diffuser that uses water and essential oils to fill your space with fragrance for hours. The sleek, portable design makes it easy to enjoy your favorite essential oils wherever you are. How it works: The Soni SM mixes essential oils with water, then uses ultrasound technology to transform this into water vapor that is then blown into the air with a fan. This is very similar to how an ordinary humidifier works, meaning it will also gently humidify and moisturize the surrounding air. How to use: Fill the water reservoir to the fill line. Add 10-15 drops of 100% pure essential oils, then put the cover back on and select your time setting. The diffuser can be charged using the supplied USB-C cable or the optional charging dock (sold separately), plugged into any standard 5V charging plug. To reduce carbon emissions and do our part to protect the environment, SEASONS diffusers no longer come with charging plugs included. Limited edition Includes matching carrying strap and USB-C cable; charging plug not included 5" x 4.7" 2 lb. 16-hour approximate run time Must charge using a 5V 1A power adapter Covers up to 800 sq. ft. Resin/polypropylene Imported