Follow Personal Space Healthy Humidification:Mini humidifier with microporous atomization part, water quality is not limited, available distilled water and pure water, even and delicate mist, high frequency ultrasonic transducer part ceramic to break up water molecules, nano-fine mist moisturizing effect increased by 60%. [14 hours long-lasting wireless humidification] built-in small humidifier 4000mAh large battery, a simple spray can work 14 hours, double spray available 7 hours, wireless no-beam humidification, suitable for bedroom bedroom bedside nursery plant car travel office. [Dual nozzle, double power supply] Portable humidifier equipped with 500ml water tank, double nozzle, intermittent single spray >35ml/h, continuous double spray >70ml/h, large mist volume, effective humidification rate up to 98%, adjustable according to environmental humidity, enjoy comfortable humidity. Safety humidification, more consideration:Humidifier battery with smart chip and physical probe, providing triple protection against dry burns, the top cover lifts off, water shortage protection, overflow automatic shutdown, safe and easy to use. Silent 28dB:The personal humidifier adopts the latest technology ultrasonic, running quieter, noise less than 28dB, even in office/sleep won't disturb you (please make sure the cotton wick is soaked for 5-10 minutes before turning on the machine).