This powerful and compact air cooler that extracts the hot air from the room through its evaporative water filter to fill any space with fresh and comfortable air. You can provide a comfortable sleep at night for you with the silent and silent fan. Features: 1） 3 in 1 functions：Fresh, humidifies and purifies for better air. 2） Humidification time of up to 6-8 hours. 3）You only have to add water or icecube, plug it in and turn it on. 4） Freon free, energy efficient and environmentally friendly. How to use : 1) Keep it balance and open the water tank lock. 2) Add water or water with ice cubes or essential oil in the water tank. 3) Upwards to open the wind shield, and downward the front mini water tray. 4) Press the power button , the fan start to work. 5) If you need to open the Humidification function, turn the humidification function button on. Specifications: Item type: Personal air cooler Power: 10 W Water tank capacity: 375 ml Package weight: 1000g / 2.2lb Package size: 0.18x0.18x0.18 m / 7.08x7.08 x inches List of packages: 1 Personal air cooler 1 * USB cable 1 * user manual