Bulb Humidifier With LEDLighting up your life! Presenting an air humidifier that is small enough that you can even take it with you while travelling. Just plug it into any USB power source and see the magic happen. It will put moisture back into the dry air from over heating or cooling. Every 4 6 hours, the humidifier diffuser will automatically shut off to ensure safety whether there is water inside or not. To turn on just fill up the cup with water, after the internal