Sensuelle Bullet Ring Black 7 function vibrating couples ring. Features: 7 functions. Motor placed in center of bullet for maximum vibration. Rechargeable from USB or wall charge. Charge time 2 hours. Running time 25 minute to 50 minutes. Bullet material ABS coated in medical grade silicone. Cock Ring material SEBS silicone. 100% waterproof submersible. 1 year warranty. Toy bag included.