Feature:1. Humanized design. Humidification and air supply ensure that your skin in summer can also be hydrated and humidify the fog.2. Humidifier water level detection function, when there is no water level, the buzzer will beep three times and automatically shut down.3. The product is designed with a 360° head shaking function to take care of every sultry heat and let every corner enjoy the coolness.4. water cooling design, you can enjoy the cool when you turn it on, without waiting for the cooling.5. Three gears of air supply can be adjusted according to the required air volume. Suitable for both office and home, and comfortable all day long.Specification:Item Type : Air CoolerMaterial: ABSWeight: Approx. 1113g / 39.3oz Color: White Power Supply: DC5V / 1APower: ≤7wSpray Volume: 1020 ml / hBattery: polymer lithium battery 4000mAh (battery included)Charging Time: about 5 hoursDuration of Use: about 2.5 hours of continuous spraying / about 7 hours of indirect sprayingWater Tank Capacity: 500mlWind Speed Gear Position: threespeed adjustment, wind speed adjustment is cyclical adjustment (1st gear~2nd gear~3rd gear~1st gear)How to Use:1. Open the rubber cover of the top water injection port, add tap water, do not add hot water;2. Touch the switch button, the fan will start to run at a speed, and the indicator will light up at the same time;3. Touch the air volume button to adjust the wind speed, a total of three wind speeds;4. Touch the shaking head switch, the fan runs at 90 degrees shaking head, the second touch, the fan runs at 360 degrees shaking head, the third touch is to turn off the shaking head function;5. Touch the humidifier switch, t