Two mist ports and large mist volume: The small air humidifier is equipped with two nozzles to adjust the mist volume as needed. For single nozzle, the fog volume is 30-40ml/h. With dual nozzles, the mist volume can reach 60-80ml/h. 3600mAh Battery and Wireless Design: USB-C rechargeable humidifier with built-in 3600mAh battery, providing 5 hours (dual mist ) and 10 hours (simple haze). Mini wireless design, suitable for car, office, home, office. Enjoy cool misty air wherever you are. Gentle Night Light & Quiet OperationThis portable travel humidifier has a night light function to give you peace of mind in the dark. It operates with less than 30dB of noise and won't disturb your bedtime, work or study - the ideal humidifier for home and office. Easy to fill and clean Filling has never been easier, just pour water into the bottom tank. To clean the humidifier, remove the cover and wipe the empty water tank with a cloth. Auto Shut-Off & TipsThis desktop humidifier will automatically shut off when the water runs out. Don't worry about damaging the device itself and causing danger. For the first use or reuse after a long time, please soak the cotton filter in water for 5-10 minutes to fully absorb water to do a better job.