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Your cart is empty.[ UNIQUE ICE COOLING TECHNOLOGY ] - We have improved this mini air cooler, with 2 dynamic ice cooling technology freezer packs, only one addition of water, without frequent water refills. Providing comfortable coolness for you on hot days. [ EASY TO USE ] - No windows needed and no installation required. Only need five-steps operation cools the hot air around you, making the wind cooler: fill the freezing block with water to the highest water mark; ②put the freezing block box into the refrigerator; ③put the freezing block into the air cooler; ④connect the power cord; ⑤press the power switch and adjust wind speeds. [ PORTABLE CARRING ] - The size of our USB mini air cooler is 5.8*6.3*6.3 inches, making it easy to carry and control with one hand. It has a USB-A interface that can be used in combination with adapters, mobile power supplies, computers, car chargers, etc. For your home, work office, dorm room, or travel wherever you need it. [ ENJOY COOLNESS WITHOUT WAITING ] - Unlike other hydro cooling portable air conditioners, our air coolers features powerful motor and dynamic ice cooling technology, cools faster and more efficiently, chill you in a hot room. [ ENERGY SAVING ] - Our air cooler fan can work effectively at low noise levels, and there are 3 wind speeds to choose from. The powerful conversion circuit can minimize losses, save you a lot of electricity bills, and protect the environment. (kindly note: The portable air fan operates at low energy consumption, much cheaper than running a freon air conditioner. So you should not expect the same results as an air conditioner) [ KINDLLY NOTE ] - Our portable air conditioner has Utility Patent Rights and Appearance Patents Rights.