【Multifunctional Design】The mini misting fan combines the functions of fan and misting into one, which can provide users with cool breeze and moist water mist at the same time, making users feel comfortable and cool in hot weather. 【Handheld Misting Fan】The 4-speed handheld misting fan is equipped with a 20ml water tank, long press for 3 seconds to turn on/off the misting mode, in hot summer, the fan is like a mini portable humidifier, the wind blows the delicate water mist onto your face, moisturizing your skin while keeping it fresh. (Note: It is recommended to use tap water, any other water may cause water accumulation or spray function failure). 5-21 WORKING HOURS】 The portable USB fan is equipped with a 4000mAh rechargeable battery, which can work continuously for 5-21 hours, even if you go out for a long time, you don't have to worry about running out of power, so you can enjoy your outdoor leisure time to your heart's content. The battery fan is suitable for beaches, picnics,