Vibration motor specifications:

1) Rated Voltage (V) : 3

2) Starting Voltage (V) : 2.3

3) Rated Current (mA) : 50±20%

4) Rated Speed (rpm) : 12000 min

5) Stall Current (mA) :140 Max

6) Operating Voltage (V) : 2.5~4.0

7) Size (Diameter*Thickness):10*2.7+0.3