Ultimate Cooling Experience: This handheld turbo fan adopts a 9-blade design and is equipped with poly wind guide blade duct design, with a maximum wind speed of up to 6m/s. which provides powerful airflow while minimizing noise, providing you with cool and comfortable summer weather. Long Battery Life: The personal fan is equipped with a 4000mAh large-capacity battery, the USB fan can work continuously for 3.5-22 hours, and it only takes 2-3 hours to be fully charged, it supports full-gear use while charging. Power display and five gears design: This pocket fan has 4 power display lights and 1 gear indicator light, convenient to check the power and adjust the gear at any time. Safety lock and encrypted grille: The mini fan is equipped with a toggle switch to prevent power wastage caused by accidental touching, and an encrypted grille to protect your fingers.