1. [New turbo fan design] This 2022 upgraded hand held fan features an aircraft engine air outlet design. According to its fluid dynamics, the air is rotated and compressed to surround the cooling, wind power increased by 200%.The cover designed by fluid machinery can strengthen the wind force brought by the blade. In hot suer, you can enjoy strong cold wind. 2. [3 gear adjustable speed]Press the power button repeatedly to adjust the appropriate fan speed, giving you a comfortable indoor or outdoor environment. Natural wind, soft wind and strong wind can be set according to different needs. Enjoy the quiet wind, gentle wind or strong wind to keep you cool all day. Efficient power supply and conversion circuit can minimize the loss to save energy and protect the environment. 3. [USB rechargeable battery]The built-in 2000MAH battery has strong battery life. It can be used for 8 hours and charged quickly for 2.5 hours. It can work for 8 hours at gear 1 and 5 hours at gear 3 after full charge. It can be connected to PCs, adapters, mobile power supplies and other USB compatible devices. Put in the base (including), and it can become a coon desktop fan. 4. [ size]The size of the small hand-held fan is 4 7 17cm/1.57 2.75 6.69 inches, 0.15 kg/0.33 pounds. It can be used as a mini portable fan for desktop fans. The removable base ensures its stability, and you can also carry it outside for handheld use. Wherever you go, it is the perfect suer companion to keep you cool when traveling, queuing and exercising. It can also be used as a make-up fan, and won't take up too much space for storage.