:You just need to pour some ice water into the water tank, turn on the portable air conditioner, and it will cool the hot air around you in a few seconds. :The portable air conditioner has portable design,small size.The mini air conditioner is only 16.5*16.5*17cm,so its very convenient.The best choice for camping and you can easily carry it out. :Portable air conditioner with a 500ml large-capacity water tank, which is easy to fill with water or ice. A full tank of water can continuously keep cooling for 6-8 hours. :The portable air conditioner has 3 wind speeds (high, medium, low) can be adjusted. Different gears of wind speed for you to choose. :The portable air conditioner is a USB power supply, so it is very useful for indoor and outdoor use. :Small air conditioner is professionally designed with unique air duct design and fluid dynamics, which results in a low noise. In particular,the AC fan with 7 colors of lights can provide you with a romantic atmosphere and a cool sleep on hot summer nights.