Function: 16 Frequency VibrationColor: Rose/BlackSize: 12.6 * 2 cm/4.9  * 0.78 inchNet Weight: 43 g/0.09 lb/1.5 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 14.0*7.0*2.6 CM