Inhouse product
Endurance 1 gear- 2 hours, 2 gear-1 hour
3 gear-30 minutes,
4 gear-12 minutes
-5V/2A Charging voltage/current
-High speed brushless 28 motor
-2500mAh*2 Battery Capacity
-7.4V Operating voltage
-56db-81db Noise level
-130000 RPM
-150W Power
-4 Gear