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 - 100ml container with 2 spray modes: If there is enough water, can 3H continuous misting (sprays will stops with an interval of 9secds and supports up to 3 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 Perfect Aroma diffuser and Humidifier, for any small area and Perfect mini USB Humidifier, portable for any small area eg car, working desktop, bedroom etc.. Perfect high-tech gift idea makes ALL will LOVE it.