1.HOW TO USE: This wonderful device it easy to work. It is enough to fill with it with water and to connect to the power supply. After filling of the tank with water the cooler will be able to provide you with a cool within 8 hours. Only water and connection to the power supply and you will feel the real refreshing cool. Mini air cooler does not contain any halocarbon and is completely safe in use. 2.UNIQUE TECHNOLOGY: The secret of the mini air conditioner is in the technology of hydrocooling with use of the special filter which turns hot air into a pleasant cool breeze. Also it was succeeded to reduce consumption by the electric power device to 8W. Unique Water Tray and Filter design，Perfectly solve the problem of water leakage and mildew. Three adjustable modes of speed provide you more exact control, and the silent fan carries out air circulation till 8 o'clock on one filling. 3.Small and compact size makes it easy to carry and use. 6.5 inch portable size occupies a minimum of the place and consumes not enough energy. Having USB charging port， built-in 7 color LED night light for your choice，you can place it in your kitchen, dorm, bedroom，hotel，restaurant，office or anywhere you like.Moreover, you could also take it with you when outdoor in summer hot day. 4.HUMIDIFICATION & REFRIGERATION & AIR PURIFICATION: This mini air conditioner especially good for sleeping, and people with respiratory sensitivities.The Summer discomfort, half comes from the high temperature, and half comes from the drying of the air. Our Portable air cooler will produce air with high humidity content, moisturize the skin, feel cool, and the built-in air filtration will continue to purify. Indoor air, increasing indoor oxygen and negative ion content.