Definition of Convenience! Our Humidifier is extremely portable. It can be used at home, in the car, in a hotel or even outdoors. It will work anywhere as long as it can be plugged in. Fits all Containers! Our Humidifier will fit any sized container. Small or Large, cup or vase, one size fits all. Makes Sleeping That Much Easier! Using ultrasonic technology, we have achieved making our humidifier as quiet as possible. Our Humidifier also makes the air around you comfortable as well as relaxing. Great For Your Health! Our Humidifier moistens the air, which in turn relieves both the skin and nose irritation. Perfect for allergies and general discomfort Easy to Use! With just 4 simple steps you will be on your way to better living. Place the cotton wick into the container of water, making sure both ends are soaked. Put the cotton wick into the humidifier and place the humidifier into the container. Plug the humidifier into a socket/USB port. Turn on your humidifier and marvel at the results.