1.3 Adjustable Wind Speed--With an intelligent wind control system, the air delivery distance is increased by 60% and the wind speed is 2M/S.With three adjustable wind speed, simulating the natural wind, the wind is very strong and stable,help you comfortably and quickly cool down. 2.Atomization &Spray timing function--We atomization technology achieves 30-35ml /H strong spray.Water mist can penetrate into the skin, and has the effect of rapid cooling and hydrating.Enjoy a healthier room environment with cool and humidified air in no time.Spray timing function, spray for 3 hours automatically stop spraying, safe and convenient. 3.Safe adjustable shutter design--Safe shutters design, not afraid of fan blade injury to the hand, and the shutters can be adjusted to the direction of the wind as needed, the adjustment range of up to 90 degrees. 4.Long battery life&Press to play--Built-in 2000mAh lithium battery, it can be used continuously for 5 hours without charging.The mini air cooler is easy to use ,just press the fan power button to turn on the fan,it doesn't need to plug it into USB port. 5.Removable and washable filter--Built-in multiple high-efficiency filter, can effectively filter the air micro-dust particles, purify the air, enjoy clean, high-quality air.The filter is removable and washable and can last for 6-8 months. If it is not used for a long time, please blow dry and put it in a clean and dry place.