Doctor Love Zinger + Vibrating Rechargeable Cock Ring. 3 speeds of powerful vibration patterns. 9 powerful vibrations. Up to 9,000 silent vibrations per minute. One size fits most. Waterproof for play outside the bedroom. Silicone with a velvety texture. Made using body safe, latex free, phthalate free materials Silicone cock ring. Rechargeable via USB. Magnetic charge. Cable included. Includes a storage, travel pouch. Size 4.5 inches in total length by 2 inches in width. Inner ring diameter 1.5 inches.