Function: 10 Frequency Vibration,3 Mode ThrustingColor: BlackSize: 16 * 3.9 cm/6.3  * 1.5 inchInsert Length: 14 cm/5.5 inchPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/Thrusting/WirelessPackage Size: 18*13.5*4 CM