Super-soft, flexible, powerful cock ring that helps penis owners stay harder for longer, and gives their partner intense external vibration during sex, making sure you both get more. Once the penis is hard, simply add a dash of water-based lube and slide it down to the base, making sure the vibrating section is positioned upwards.Turn it on and experiment with its five vibration levels and patterns to discover your favorite. Covered in soft 100% FDA-approved body-safe silicone. 100% waterproof. Fully rechargeable via unique magnetic clip. Can be adjusted from a nice low rumble to a strong intense finish. Five quiet vibration patterns. Two hour charge equals two hours of pleasure. Inner diameter of ring is 1 1/4"