With THE BIG O, 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. Comes with free bottle of adult toy cleaner.