The Screaming O Double O 8 assortment. Vibrating erection ring features two specifically positioned rings along with a vertical vibrator angled for optimum stimulation where traditional vibrating rings can't achieve! Simply stretch one ring round the shaft and yet another round the testicles for an additional-secure fit and super-powered pleasure where it counts! Features: Vertical vibrating double ring. Extended angled vibrator for full-motion contact. Double rings for any snug fit 1 for shaft & 1 for testicles. Super-powered bullet motor for mutual satisfaction. Soft pleasure ticklers for enhanced sensations. Assorted colors: blue, crimson and obvious. More Information: Multiple-use. Replaceable AG13 batteries last 80+ minutes. SEBS silicone. Latex and phthalate-free. Wireless. Waterproof vibrations