Sensuelle Double Action Black 7 function vibrating couples ring. Features: 7 functions.2 rechargeable bullets. Motors put into center of bullets for optimum vibration. Rechargeable from USB or wall charge. Charge time 2 hrs per bullet. Running time 25 minutes to 50 minutes. Bullet material Abs plastic, fiberglass coated in medical grade silicone. Ring material SEBS silicone. 100% waterproof submersible. 12 months warranty. Toy bag incorporated.Colors available Black, Obvious. Each offered individually