*Speed pattern: 1-2-3-Off                                

*Output power(MAX):4W                          

*Input :5V/1A                 

*Speed :2.9m/s-4.1m/s--5m/s                       

*Battery Specification:Li-ion 18650-3.7V,2000MAH

*Working Time:2.5H-4.5H-10H

*Charging current(MAX):1A                

*Charging time:4.5H

1.Copper brushless high speed energy saving motor.

2.4 Turbo flabes, strong mute wind up tp 5m/s.

3.4" mini size and foldable, convenient for take along to any way.

4.Detachable Front Cover for inside cleaning 

5 Hidden stand for desk use.

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