Cool Mist Equipped with 1.4L water tank, the cool mist humidifier can work continuously for 30 hours, providing clean and cool air, preventing dry and chapped skin in a dry environment, soothing mood, relieving stress and creating a calming effect and comfortable atmosphere. Two mist modes - One button control design and two adjustable mist mode settings: continuous and intermittent . Press the button twice quickly for the first time to make the fog work continuously; press the button again to switch to intermittent spraying. Ultra-quiet operation - the ultrasonic humidifier makes almost no noise and the silent humidification will not interfere with your sleep or work. Built-in 7-color night light creates a comfortable atmosphere, relieves stress and improves the quality of sleep in the bedroom, providing a soothing chandelier, Let you relax. Battery powered and USB powered - Built-in 1200mAh rechargeable, after full charge, it can be used for about 8 hours without USB cable, which is convenient to carry. This diffuser is very easy to use, just fill it with water (you can add a few drops of essential oil if you wish), soak the cotton swab and youre done. Product size 21cm x 11.5cm x 11.5cm Color black Shipping quantity 1 piece