This small floating USB portable humidifier turns a glass of water into a humidifier. Donuts shape mini fogger mist generator, the next time you travel to a particularly dry part of the world, you will want to bring this little plastic USB mist maker to ensure that your breasts are not destroyed while you are supposed to be relaxing. Floats in the water and uses ultrasonic vibrations to turn liquids into cooling vapors, From this diffuser for air humidifying a room with nothing but a full beverage glass and a USB connection.