Function: Vibration Cock RingColor: BlackSize: 5.5 * 2.4 cm/2.2" * 0.9"Net Weight: 22 g/0.05 lb/0.78 ozPower: 3 LR41Material: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 14*8*4 CM