Function: 7 Frequency Vibration,3 Mode ThrustingColor: BlackSize: 12.5 * 3.5 cm/4.9  * 1.3 inchInsert Length: 10 cm/3.9 inchNet Weight: 168 g/0.37 lb/5.9 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof/Thrusting/WirelessPackage Size: 16.5*13.5*3.5 CM