?€? ?Humidifier and Cooling Fan?Mini cooling fan including 300 ml transparent water tank(about 5 hour spraying) and beauty humidifier 2 in 1. Built-in high frequency atomizer, the misting) fan can produce nano-scale water mist, which easily absorbed by the skin, perfect for water and lasting your makeup or cooling after exercise. Open the upper cover counter and inject about 300ml of water into the bottom container. Then insert the USB charging port and connect the power supply to the interface. Short press to turn on the fan and spray, and long press the spray button to turn on the breathing light. ?€? ?5-10 WORKING HOURS AND 3 SPEEDS?The outdoor personal fan operates with 2000mAh Improved battery (type-18650) and can operate for 5-10 hours after a full charge. The speed of this portable desk fan can also be adjusted among low, medium, and high according to your demands. ?€? ?Foldable Design and Mini Size? The folding design makes it easy to be carried and stored. Besides, with the capsule shape(4.4*4.4*5 inch), this rechargeable fan can hide the fan blade, small and easy to slide into your pocket and purse. ?€? ?Easy Cleaning and Operation?The front of the fan is easily removed for dusting of the blades.Besides, adding water and cleaning of the water is much more easier with its detachable design. ?€? ?USB Rechargeable Fan?With included USB cable, you can charge it via computer, laptop, portable charger and USB power adapter.