Stretchy TPR cockring features twin bullets, each of which can be removed. Bullets offer 7 functions of vibration and pulsation. -7 Functions -2 X rechargeable bullets -Motors placed in centre of bullets for maximum vibration -Rechargeable/USB or Wall charge -Charge time equals 2 hours per bullet -Running time equals 25-50 minutes -Bullet material equals ABS coated in medical grade silicone -Ring material equals SEBS -100% Waterproof-Submersible -1Year warranty -Toy bag included