Our Unicorn USB Powered Aromatherapy Diffuser is the first of its kind. With our new "Silicone Soft Top Design", this ultrasonic diffuser is safe for any age. The detailed 3D horn is where you will see the cold mist escape. This makes the perfect fit for any child's room. Equipped with an internal LED light that gradually changes color. You have the choice to set a specific color or diffuse with NO lights. Details Easy 1 button operation Auto Shut Off safety feature 60mL Water Capacity Great for Travel USB Powered (cord included), can also be plugged into a USB wall AC adapter LED Color-Changing Lights Cold Mist Diffusion BPA Free Total Run time of 3-4 Hours before auto shut off on a full water fill Dimensions: 4.75" x 4" x 4.75" Aroma2Go