Function: 8 Frequency Vibration & Electric shockColor: BlackSize: 13.2 * 4.6 cm/5.2" * 1.8"Net Weight: 157 g/0.35 lb/5.5 ozPower: RechargeableMaterial: ABS + SiliconePackage: Color BoxFurther: Waterproof, Double Motor, WirelessPackage Size: 16*16.2*4.9 CM