URPOWER Essential Oil Diffuser Aroma Humidifier

Brand new, bought 2 but did not need Just add 100ML of water and a few drops of your favorite essential oil. Advanced ultrasonic diffusion technology quietly releases a soothing fragrant mist up to 6 hours. Automatic shut off safety system when waterless protects the product from being burned out. Keep essential oil 100% natural without burning or heating and automatic shut off safely. The URPOWER ultrasonic aroma humidifier does double duty to make your home smell better for up to 6 hours.