This is a high speed coreless 3.7V micro motor, counter clockwise rotation.
Specifications:
Voltage: 3.7V
Current: Idling 70ma, blocking 100ma.
Speed: 43000 rpm
Material: Metal
Total length: 21mm
Shaft diameter: 0.8mm
Output shaft length: 7mm
Wire length: 35 mm
Wire termination: 2 pin JST HS header 1mm pitch