What you see above is the Air-O-Swiss Ultrasonic Travel Humidifier, a portable humidifier that can use water from a standard plastic water bottle. Perfect for any traveler who needs a humidifier around.
“The Travel Ultrasonic AOS 7146 is compact enough to fit into your travel bag. Just add your own water bottle, plug the unit in and enjoy clean, moist air in your room. ”
Price? $40. Available at Amazon.