About this item ONE-TOUCH SWITH AND COMPACT-- For easy operation with one-touch only, 2 velocity selection; Cup design perfect fits most vehicle cup holder. (Package only includes USB cable, NO adapter included) COMPACT CAPACITY - 55ml container with 2 spray modes: If there is enough water, can 3H continuous misting or 6H intermittent misting(sprays will stops with an interval of 9secds and supports up to 6 Hours) COMPLETELY SILENT & BPA free - Completely quiet without producing any bothering noises. It automatically turns off when the water is below the low-water line or while leaning at 90 degrees, to ensure a longer working life BRING NATURE TO YOUR CAR - Ultrasonic Technology works effectively to give the ultra-fine and smooth uniform aromatherapy mist, it is the easiest way to maintain a fresh, moisture and odor free environment in your car DREAM LIKE GIFT - Perfect Aroma diffuser and Humidifier, for any small area eg car, working desktop, bedroom, pet room ect.. Perfect high-tech gift idea makes ALL will LOVE it