Square Aromatherapy Essential Oil Diffuser for a health and happy life. We have a outstanding Research and Development Team to present a perfect artwork to each customer. Square essential oil diffuser is a brand new idea. It can run 10-20 hours, you and your family can have a sweet dream in the night. Never be upset again and get up in the middle to add water. Elegant design fits most decor and can add more fun for your house.