Capacity200 Milliliters Operation ModeUltrasonic 1. VISIBLE STRONG MIST Using Ultrasonic Technology to transform tap water into clean & fine mist to moisture your skin, nose and throat against the dry environment in minutes. The reliable mist could heal you mentally and physically without wetting your desktop, bringing comfort to your daily life! 2. Light Mode expresses your unique individuality! No matter driving, working, reading, or gaming, this mini humidifier always can bring you an energetic atmosphere with its RGB light. Silently light your passion to face the challenge! 3. PORTABLE & POWERED BY USB Compact in Size, Light in Weight; this personal humidifier is small like a phone to carry with. USB interface features this portable humidifier that fits for the car cup holder, office desktop, bedroom nightstand and even house plant care! One machine for multiple uses! (Warm Tip: No battery included & Not chargeable) 4. SILENT TWO MIST MODES This small humidifier is only 19dB while running, as silent as deep breathing which is only barely be heard while sleeping. Short Click to change mist modes - Continous Spraying & Intermittent Spraying for aiding sleep & sustain ideal sleeping environment!