2 step adjustable wind speed: 2 step adjustable wind speed, the speed of the handheld personal fan can also be adjusted between low and high according to your needs. The low speed can reach 5500 rpm and the high speed can reach 8000 rpm. You can adjust the appropriate speed (low/high 2 speed) by pressing the button repeatedly. Wind upgrade: hand-held fan design recently upgraded powerful high-speed permanent magnet brushless motor, 56mm wind type channel, airflow in the wind rotating compressed trout, concentrated flow anal, concentrated wind, larger lead, can reach 23 the wind from ordinary fans. USB fast charging: The portable fan only needs 2 hours to be fully charged (1200 mAh). It comes with a charging cable so you can charge it via regular USB or any other device with a USB port. Mini and Portable: Mini portable fan with the included hiking strap, you can this fan for anything the one in your belt. Ultra compact design makes it compact and easy to carry in your pocket and it weighs only 127 g, so you can hardly feel the weight in your pocket. Best gift on the beach: Our handheld is an excellent choice for you and your family , whether they study, travel, office, sports etc. they can get .