Eioo Tech Fog Ring Mini Humidifier Aroma Diffuser Donut-shaped/unique Donut-shaped USB Powered Mini Aroma Humidifier Color Optional (White) Mini size portable humidifier, more convenient for you to travel, to use it in office! To make the air no more dry around you. Looks so cute, it is also a nice gift for Christmas, birthday and Thanks giving day! Definitely worthy to have it in spring, summer, autumn and winter! The latest modern version mini lovely humidifier!