About this product The Alu small fan, the heat dissipation artifact, has a built-in first-ever brand-new all-copper high-power motor, which can support the high-speed rotation of the blades to generate strong wind. The hydromechanical cover is used to enhance the wind force brought out by the blades. You can even feel the distance of this little fan. The wind is far away. Speed Adjustment This cute handheld fan has 2 adjustable speeds to meet your different needs, you just need to press the power button to adjust the speed, press once for low speed of 3500r/min, press again for 4000r/min high speed. The USB rechargeable is powered by an upgraded rechargeable polymer lithium battery, which can support the mini fan to run longer than ordinary lithium batteries of the same capacity, and comes with a USB cable Compatible with any USB port, such as computer, power bank, common socket. Small and handy, the size of this pocket fan is only 12.6* 7.9* 2.1cm/ 4.9* 3.1* 0.8in, you can put it in your pocket or bag and carry it with you all summer, it is a fashionable ideal gift for girls, boys, men , woman and child. The multi-purpose machine is suitable for indoor and outdoor use, and the personal fan can generate natural wind to keep you cool when reading, exercising, queuing and traveling, and is the best companion in hot summer.