Each button needs to be long pressed for 3 seconds to open.The product is a portable air cooler, but to add ice water and ice to have this effect, without adding water is an ordinary fan. 【Adjustable 3 Mode & 4 Wind Speed】: Portable air cooler have 3 modes (Natural Wind/Low Cool Mist/High Cool Mist) & 4 wind speeds (Low/Natural/Mid/High) with 120°Up and down adjustable wind direction.
