[1L Large Capacity] The humidifier has a large water storage capacity. There are two methods of filling water. The large water tank at the top can pour water directly, saving time, and it can also be taken out the tank and add water, but do not exceed the water level. Make sure the filter cotton is completely soaked before each use. [Cordless Use] The average spray volume per hour of this humidifier reaches 50ml/h. It takes about five hours to fully charge and can run cordless for up to eight hours. Of course, it can also be used while charging. This humidifier uses large capacity double batteries, USB charging, long battery life. On the top there is a digital display, the remaining power can be seen. [Super Quiet] 36 db, using water-absorbing ultrasonic atomization technology to atomize water into particles and negative oxygen ions, so that the water mist can be evenly diffused, so as to achieve uniform humidification, fresh air, and create a comfortable living environment. [Soft