Hero Climax Ring Glow In The Dark has up to 50 minutes of vibration. Glows in the dark prolong ring with clitoral tingling nubs. Super stretchy cock ring. Easy to operate on/off switch. Maintains erection by delaying male ejaculation. Made using phthalate free, non-toxic materials RoHS compliant. SEBS. Vibrating cock ring requires 1 AG5 battery, not included. Climax ring measures 2 inches long with a diameter of 1.625 inches around. Cock rings when worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Prolong rings, erection enhancement, climax control rings, cock rings. Hero Climax Ring Glow In The Dark from Nasstoys of New York. The Ultimate Love Toy Company.