Function: Vibration Cock RingColor: BlackSize: 7.6 * 2.6 cm/3.0" * 1.0"Net Weight: 24 g/0.05 lb/0.85 ozPower: 2 LR1130Material: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 11*9.8*4.2 CM