Function: 10 Frequency Vibration and 3 Mode RotationColor: Black/NavySize: 13.2 * 3.5 cm/5.20 * 1.38 inchInsert Length:10.5 cm/4.14 inchNet Weight: 193.5 g/0.43 lb/6.82 ozPower: Lithium batteryMaterial: SiliconePackage: Color BoxFurther: Waterproof/WirelessPackage: 15.8 * 10.1 * 4.6 CM