[Multiple functions] Adopts the design of the charger for devices, so it is not only a cooling fan, but also a useful and useful force, you do not need to carry extra cumbersome power and charge your phone outdoors. [6 Speed ​​and Strong Air Flow]: Adop the 6 fan wing design equipped with a brushless engine, the engine speed up to 3600 rpm at 6th speed, so that it can produce strong air flow, it will cool you in a few seconds on hot days. [Long working time]: It is equipped with a large capacity rechargeable battery that can withstand 5-20 hours, so that you are not worried about the power cut and you use it almost all day. [Long durability]: Using an energy-saving DC brushless engine that can operate continuously for about 20000 hours, you can use about 7-10 years of life for general use, so you can use it for a long time. [Foldable and easy to carry]: Foldable design can be adjusted between 0 ° 0 ° to 180 °, so that it can be used as a desktop fan and can be placed more easily in the bag. Perfect for outdoor activities and travel.