SMT Cored Vibration Motor with Rated Speed 10000+/-2500rpm, Rated voltage: 1.3V DC,widely used in mobiles,tooth brushes... Specifications:1) Diameter: 4mm2) Rated voltage: 1.3V DC3) Rated current: 125mA max.4) Rated speed: 11,000 +/- 2,500rpm5) voltage Range: 1.1-1.5V DC6) Stall current: 145mA max7) Applications: widely used in mobiles,tooth brushes...8) Weight: 1.2g