Function: 10 Frequency Vibration & RotationColor: Black/WhiteSize: 18 * 8 cm/9.4  * 1.37 inchNet Weight: 360 g/0.79 lb/12.7 ozPower: Lithium battery/300 mAhMaterial: ABS + TPEPackage: Color BoxFurther: Waterproof/Rotation/APP Smart