Happy Life Portable USB Coffee Cup Desktop Powered Mini Air Steam Face Moisture Humidifier (Heart Beat) Ultrasonic vibrations to form fog. Fog particles can eliminate static electricity, reducing the computer screen radiation damage to the eyes. Reduce airborne dust and smoke pollution and improve air quality. Increase the humidity in the air to prevent dry itchy discomfort, nourishing the elderly, children's respiratory tract, skin care. Furniture can ease the aging rate. Mute and romantic (not including essential oils and flowers).