The HoMedics Portable Ultrasonic Humidifier is a mini, USB-powered device designed for travel and personal use. It features a sleek black color and a plastic construction, making it easy to carry around. With a tank capacity of 7.7 ounces and a coverage area of 100-300 sq. ft., this humidifier can provide cool mist for a small room or personal space. It offers 2 speeds for customizable humidity levels and operates quietly for a peaceful environment. Perfect for car trips or on-the-go use, this portable humidifier from HoMedics is a convenient and efficient solution for maintaining indoor air quality.