Ultrasonic aroma diffuser delivers a fine mist of aroma. Features a gentle color-changing glow to create a peaceful environment. Runtime up to 6 hours continuous or 12 hours intermittent. Helps to alleviate dry air with soothing humidity. Crafted from ceramic and wood material. Dimensions: 4.46"L x 4.46"W x 7.25"H. Blossom Ultrasonic Aroma Diffuser, Gray