Banish dry air and replace it with cool, humidified air -- almost anywhere you go! This portable cool mist humidifier is perfect for office, home or travel, this personal ultrasonic cool mist humidifier quietly issues a cool mist that improves air quality and helps moisturize skin. Simply use your standard water bottle (two bottle adapters included), and this cool air humidifier will run for up to 12 hours without refilling. Add a few drops of essential oil (not included) and you can use this portable cool mist humidifier as an aroma dispenser, too. This prolongs the life of the ultrasonic generator and prevents white dust particles from depositing into the air. The whisper quiet portable cool mist humidifier operates on a low power consumption. This fashion design portable cool mist humidifier will not only improve cold symptoms, but will also serve as a great accent to room decor! Just screw in a PET bottle for instant cooling, refreshing relief!