Function: 16 Frequency VibrationColor: BlueSize: 12 * 1.8 cm/4.7  * 0.7 inchNet Weight: 43 g/0.09 lb/1.5 ozPower: Lithium battery/170mAhMaterial: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 14.0*7.0*2.6 CM