Designed by Fabian Zimmerli for straddler form, Mia, an ultrasonic aroma diffuse, is a discreet addition to your home. With an extremely small footprint, she can add a delightful scent to your space, taking up little room on your table or desk. Lasting 10 hours between refills, Mia doubles the typical running time of 4 to 5 hours. Use your favorite pure essential oil best suited for mood or homeopathic remedies.