Function: 4 Frequency Vibration & ThrustingColor: BlackSize: 23.5 * 3.1 cm/9.2" * 1.2"Thrusting Length: 2 cm/0.78"Net Weight: 208.5 g/0.46 lb/7.3 ozPower: Lithium batteryMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof