Dry， stale air can leave you feeling itchy and irritable. Utilizing high-frequency sound to vaporize mist， the BONECO Ultrasonic Humidifier moisturizes your air for a calmer， more pleasant environment.Producing warm， pleasant mist， the humidifier ensures your air feels better than ever. Damper air can also improve sleep and the health of your sinuses， even removing static electricity. Ultrasonic vibrations turn liquid water into a vapor that is then circulated around your room with the built-in fan， helping you achieve healthier skin and hair. Humidifying at up to 3.17 gallons per day， the appliance moisturizes the air in large rooms up to 860 sq. ft. in area. A 2-in-1 water filter creates pure humidification without leaving residue on the machine， and you can clean the parts by hand for easy maintenance. Designed for simple operation， a low-level light indicates when the system is low on water， and the auto-shutoff feature turns the device off once the water reservoir is empty. Utilize with essential oils to add a little fragrance for a personalized atmosphere.Perfect for keeping your home free of static and dryness， the Ultrasonic Humidifier from BONECO ensures your atmosphere is calm and comfortable all year long.