The Screaming O Colour Pop Quickie Vibrating Erection Ring keeps him harder longer with powerful vibration for her pleasure for better, more satisfying sex. This powerful vibrating cockring helps prevent premature ejaculation and promote stronger erections by restricting blood flow to the penis while its vibrating motor provides clitoral stimulation that helps get her closer to orgasm with every stroke! Simply stretch the ring around the base of the penis and testicles - it will fit tight and snug with the vibrating motor on top and switch it on for instant vibration! The ColorPoP Quickie Screaming O Plus is a great couples ring for beginners, first-timers, new couples, or men looking for a quick 'boost' in the boner department, but powerful enough for experienced couples and cock ring connoisseurs.