Function: 11 Frequency VibrationColor: BlackSize: 13.6 * 4.4 cm/5.4  * 1.7 inchInsert Length: 9.3 cm/3.6 inchNet Weight: 169 g/0.37 lb/5.9 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/WirelessPackage Size: 20.5*20.5*8.2 CM