Compact and lightweight, this personal humidifier offers portability that is perfect for the use of travel. Small enough to fit into luggage or continue. Built-in ionizer purifies the air, removing bacteria, allergens and contaminants. Two adapters of different sizes and a bottle of 100 ~ ~ 240V AC adapter allows universal usage. Everything you need to reach the destination is a bottle of water. Also ideal for use at work, in nursery schools or for those who want the convenience and portability. Ultrasonic technology offers cool mist and quiet operation.