1. enjoy three functions;(1) Tower fan - no water. (2) . Cooling fan - add ice crystals. (3) Purification and humidification - adding water. Tower Fan - Anhydrous State - Breeze. Air Conditioning - Add Ice Crystals - Cold Air. Humidifier - Add Water - Moisturize Air2. The three-in-one function integrates blowing, cooling and humidification. In addition to the blowing function of traditional fans, it can also filter dust, humidify and blow cool air.Enjoy three functions;3. If the product you received is not powered, it is recommended to use a 5v2a plug;4. The product itself is a cooler, not an air conditioner. Compared with ordinary fans, it has upgraded two functions, which can add water or ice.5.1-6 gears can be easily adjusted with one button to provide the wind power you needName: Desktop Air Conditioning FanWater tank capacity: 300mlPower supply: USB power supplyRated voltage: 5V 2AColour:black+white/black + greenMaterial:ABSSize: 145.5x240mm Package Contents:1 x Desktop air conditioner fan1 x USB data cable1 x English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.