Elife Mini Portable Bottle Cap Air Humidifier with bottle for office home travel - Blue Package included with the humidifier are 2 filters (one installed) & a USB cable This personal-use humidifier is small enough to fit into a purse, laptop bag, or suitcase & affects an area of 5 sq.ft. Use as mister during summer or hot weather. Or even as a moisturizer for your hands by holding hands over mist. Relief from dry air, cold, cracked skin in the winter and cold weather. Portable and convenient to use anytime, anywhere