SMALL VOLUME AND LARGE CAPACITY: 340ml to meet your hydration needs throughout the day. Lifespan 8-10 hours. Automatic timing protection, 8 hours rest at regular intervals to prevent dehydration, to prevent product damage. ULTRASONIC ATOMIZATION FILM: Turn off mute humidification at 32 decibels (for meet the needs of sleepy people), accompany you to sleep comfortably. Two-speed mode, continuous / indirect misting, ultra-fine spray, finer water mist, up to 35ml per hour, in mist. USB INPUT: Simple and convenient, suitable for most self-powered products. For example, conventional USB charging socket, laptop computer, mobile power supply. APPLICABLE OCCASIONS: baby room, living room, bedroom, study, kindergarten, dormitory, bedroom hotel, conference room, yoga club, fitness center, spa center, etc. WE PROMISE: If you have any questions after receiving the product, please feel free to contact us . We will patiently answer your questions. Until you are satisfied. Please feel free to buy