Portable USB Operated Mini Bottle Caps Humidifier Air Diffuser Aroma Mist Maker for Office Home Car White Fit for Bed room, Children's room, office, cafe, car, travel, you can use it anywhere Ultra fine mode at night etc Recommended to keep the product after dried from Sunshine Powered by USB(Do not use direct current and Battery) Not available to use as a mineral water due to it is used in aroma oil