This portable air conditioner fan operates by a powerful cooling system with 3 wind speeds which saves electricity than air conditioners and cools down quicker than fans. Add water or icy water and press the button, it cools down in a short time. This portable air conditioner fan is mini in size so you can carry it to many places easily with the handle. It can be charged with USB power. It is suitable for personal spaces to cool down and refresh the surrounding air. You can put it in your bedroom, baby's room, office, and a good choice for camping in summer time.