HF027

*Battery capacity: 21700 3.7V 4000mAh
*Usage time (only for fan): 3.0h (level 100)- 9.5h (level 1)
*Key selling points & functions:
20,000 RPM high-speed motor, max wind speed: 6.2 m/s
Real-time digital wind speed and battery display
100-level stepless speed, easy up/down buttons
Optional stylish transparent body design