Specifications:
 
Motor diameter: 6mm
Motor length: 14mm
Output shaft: 0.8mm
Output shaft length: 8.0mm
Weight: 2g
Voltage: 3.7V-4.2V
Current: 0.12A (with a small propeller speed)
No-load current: 0.04A (about 0.95 A blocked)
Speed: 46500 RPM
Line length: 45mm
When the voltage is 3.7V, the speed is 40000RPM.

Package Include:
2 x motors
2 x propellers