1、Effectively reduces the dust or other particles that you breathe in2、Moisturizing the skin and relaxing your eyes3、Designed with LED light， features night light as well4、Powered by computer or power bank via the USB port (charging cable included)5、Specially designed for office staffs that constantly stay in the house with air conditionerPackage included:1 x Portable USB Mini Humidifier Air Purifier with Blue LED Light1 x USB Cable