Sensuelle Bullet Ring Black 7 function vibrating couples ring. Features: 7 functions. Motor put into center of bullet for optimum vibration. Rechargeable from USB or wall charge. Charge time 2 hrs. Running time 25 minute to 50 minutes. Bullet material ABS coated in medical grade silicone. Cock Ring material SEBS silicone. 100% waterproof submersible. 12 months warranty. Toy bag incorporated