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