Function: 10 Frequency VibrationColor: Black/RedSize: 9.9 * 3.6 cm/3.90 * 1.42 inchInsert Length:7.0 cm/2.76 inchNet Weight: 95 g/0.21 lb/3.35 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage: 11.5 * 10 * 5CM