Our ultrasonic diffusers are sure to spruce up any room in your home! Just add water and one of our essential oils, and your home will fill with relaxing or invigorating aromas. Our Cello diffusers come in a range of designs to complement your home, and with multiple sizes available, can be used on a bedside table, or in a larger room as an eye-catching item. If you're looking to bring an invigorating aroma into your office or on your travels, we also have portable USB diffusers to bring your favourite essential oils with you wherever you go! Stimulate your sense with ultrasonic diffusers by Cello.