2 Pcs 4mm Dia Rotating Head Vibration Motor Black for Mobile Phone

Current: 130mA;Max Speed: 13000RPM Head Dia: 4mm/0.16';Body Size(Head Excluded): 8 x 4 x 4mm / 0.31' x 0.16'(L*W*T) Main Color: Silver Tone;Material: Metal, Plastic Net Weight: 2g;