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The Screaming O Big O will make the woman scream and beg for more! 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.

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.

And because the Big O is designed for multiple uses, you can easily replace the batteries and go again for a Big O everytime!