This little 716 waterproof vibration 3.7V motor is used on washing machines, toothbrushes, toys, fans, and robots.
Specification:
Motor diameter: 7mm
Motor length: 24.3mm
Wire length is about 115mm, (stripped 1/16”)
Voltage range: DC 1.5V-3.7V
No-load current: 50 Ma
Ratings:
1.5V 10MA
3V 40MA
4.5V 50MA
Weight: 4g