JISULIFE Portable Handheld Fan, Speed(1-100) Adjustable Turbo Mini and 5000mAh Battery Rechargeable Personal Fan with Metal Body, Digital Display, Gifts for Women Men Travel/Campin

Brushless Motor - Super Power: The combination of a three-phase brushless motor and a 5000mAh battery significantly improves the wind speed, power, and endurance. The maximum wind speed can reach 9m/s. The highest rotation speed of the handheld fan is three times that of a regular personal fan, reaching up to 15000 RPM. It can cool for 3-15 hours on a single charge