Turbo Fan DesignThis hand held fan simulates the design of an aircraft turbine engine, delivering large volumes of air efficiently with minimal noise. It built-in 315inclined fan blades, 3 times higher air speed than ordinary 180fan blades. 2 wind speeds adjustable, low speed: 5500 r/min, high speed: 8000 r/min. Compact and PortableThis portable fan measures 7.6*2.3*2.4 in, weighs only 0.33 lbs, and fits easily into bags and pockets. The small fan has a climbing buckle and can be hung on the bags, the buckle can also be folded 90and placed on the table as a desk fan. USB RechargeableThis mini fan is powered by a rechargeable battery and includes a USB cable in the package that is compatible with all USB charging ports such as power banks, laptops, adapters and car chargers. It only takes 3 hours to fully charge, and it can be used at anytime after charging, which is very suitable for outdoor use. Safe Hidden Fan BladesThis mini handheld fan features 6 hidden blades design, the narrower meshes on the front and rear than regular fans to prevent children from sticking their fingers in. Multi- useThis personal fan can not only be used by hand, but also can be placed on the desk, suitable for various occasions, including office, home, makeup, travel, camping, hiking, picnic... It is a great summer cooling option and gift for women, men, kids