Ultra Quiet and Comfortable SleepThe portable air conditioner has an upgraded system that can work effectively at low noise levels, with 3 wind speeds to choose from, you can adjust it freely according to your needs, the air conditioner allows you to comfortably spend the night at the appropriate temperature and low level noise 5200mAh Powerful LifePortable air conditioner built in 5200mAh rechargeable battery has strong battery life to make this USB air cooler can be used wirelessly, easily carry to anywhere.Air Conditioner fan is perfect for your room, bedroom, kitchen, office, dorm room, car, on your desktop and table top and so on Energy SavingThe air cooler fan operates at a low energy consumption, much cheaper than running a Freon air conditioner in hot summer days. The mini air conditioner is both space efficient and economical. It is an essential tool for hot summer Personal Air Cooler & Air Humidifier It is not only an personal air cooler, but also an air humidifier. Cools, humidifies for better air, can moisturize skin and air humidification, keep away from dry air, enjoy your moist cooling summer. A full tank of water can continuously keep spraying for 2.5-12 hours (depending on the speed). Adjustable Wind Speeds 3 wind speeds (high,Medium,low) can be adjusted, manual up-down to adjust blowing direction within 30 and with spray function to meet your different needs, you coulde choose the most suitable one to enjoy your life Mounting Type:Window Mount Special Feature:Lightweight Controls Type:Touch Recommended Uses For Product:Cooling Included Components:Cord Product Dimensions:5.1"D x 5.1"W x 3"H Item Weight:1.3 pounds Batteries:1 Lithium Polymer batteries required. (included)