With Screaming O's Big O Vibrating Cock Ring you are right in the driver's seat of an unfathomable sexual experience. Being the world's only automatically changing, nine speed vibrating ring, you now have the ability to harness 80+ minutes of erotic vibrations, longer and firmer erections, and raging orgasms simply at the push of a button. The Big O is waterproof and offers intense pulsing pleasure, easily activated by an on/off switch to save every valuable moment of the ring's lifetime.

It's what everyone really wants, the big orgasm. The Big O is designed with a specially enhanced silicone gel ring, easily placed around the base of the penis. It stimulates the female clitoris with extended ticklers for reaching orgasm, and also effectively prolongs the duration and firmness of the male erection.

The Big O's batteries can easily be replaced with common watch batteries so you can have the ability to scream over and over again! Multiple use. (Other colour than shown may be delivered)