Sensuelle Double Action Black 7 function vibrating couples ring. Features: 7 functions. 2 rechargeable bullets. Motors placed in center of bullets for maximum vibration. Rechargeable from USB or wall charge. Charge time 2 hours per bullet. Running time 25 minutes to 50 minutes. Bullet material ABS plastic coated in medical grade silicone. Ring material SEBS silicone. 100% waterproof submersible. 1 year warranty. Toy bag included. Colors available Black, Clear. Each sold separately.