Portable Bottle Cap Air Humidifier with Bottle for Office Home Travel Easy to operate with the USB cable Convenient to use anytime, anywhere Relief from dry air, cold, flu, cracked skin in the winter and cold weather Creates a soothing personal space at home, office, car, or while traveling The personal-use humidifier is small enough to fit into a purse Included with the humidifier are 2 filters (one installed) and a USB cable ultrasonic portable cool mist humidifier fits in your purse