Portable Air Conditioner -USB Portable Air Cooler Fan - 3 IN 1 Adjustable Air Conditioner Mini Air Cooler Humidifier Purifier！ 3 in 1 Portable Air Cooler! It not only brings you cool summer, but also humidified and purified air, allowing you to enjoy a pleasant life in summer. Quiet and Calm! The air conditioner kicks in silently at night, you can sleep peacefully without worry. Three Speeds to Adjust! You can choose high/medium/low speed according to your demand. Mini and Portable! The dimension of the air conditioner is compact, you can place it at the table during work, break, etc. Rapid Air Cooler/ Humidifier: With the two water tanks, the portable air conditioner can cool faster than others in the market. No need to worry about water leaking.