Cool Mist Equipped with a 1.4L water tank, the cool mist humidifier can work continuously for 30 hours, providing clean and fresh air, preventing dry and chapped skin in a dry environment, calming the mood, relieving stress and creating a soothing 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 run the mist continuously; press the button again to switch to intermittent spray. Ultra-quiet operation - the ultrasonic humidifier produces almost no noise and quiet humidification won't interfere with your sleep or work. The built-in 7-color night light creates a comfortable atmosphere, relieves stress and improves sleep quality in the bedroom, providing a soothing luster, Let you relax. Battery Powered & USB Powered - Built-in 1200mAh rechargeable, after fully charged, 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 you're done. Product size 21cm x 11.5cm x 11.5cm White color Shipping quantity 1 piece