The Aria™ Ultrasonic Diffuser features an elegant wood and glass construction and multiple light and sound options—including built-in speakers for your smartphone device—to create a spa-like ambience at home. (Description from Young Living website) retail price is $343 This is a diffuser sold by Young Living. It has been used a handful of times. Cleaned out and well kept! Needing to downsize our home so this needs to go to someone who will use and love it! I can even add some essential oils to the package!