Specification:YGH389 Mini USB humidifier， ultrasonic， no noise， energy savingFeatures:- oxygen flowmeter with humidifiers- beautiful flower shape-USB Power supply ultrasonic humidifier-The ultrasonic high frequency oscillation atomization technology-it lasts more than 2 hours-Can be used in office， bedroom and other places.Humidifiers:1， Aroma: Humidifiers where trickle-down perfume， essential oils， fragrance to make your working， living， learning atmosphere for comfort.2， Relieves summer heat and cooling: In the summer by adding ice， the air， environmental cooling is not available in the traditional fan.3， anti-mosquito: Add a few drops of liquid repellent to prevent mosquito bites.4， Beauty: Women's skin care， before the skin is more Hydra luster， moisture beauty， the skin is no longer dry， anti-aging;5， remove electricity: The elimination of a variety of static interference environment.6， household: Wood furniture， bedroom humidification can not deformed， just brush the wall does not crack.7， eliminate dust: Complete elimination of dust， clean the air.Specification:1)good plastic: ABS2)1.5W3)Input: 5V 500mAh4)UK Gallon: 0.0088 Gallon/hour5)US Gallon: 0.01 Gallon/hour6)Working Termpt: 10-40c7)Humidity Control: Humidistat8)capacity: 90ml