The Big O vibrating cock ring features a two-function motor and a stretchy and firm erection band that keeps him harder and longer.

Press the button once for a steady and strong vibration and press one more time to tease, please and tickle with powerful multifunction pulsation.

The Big O gives couples maximum stimulation with intense targeted vibration for the kind of sexual experience The Screaming O is famous for! 

Two-function motor with steady-on please mode and multi-pulse tease mode
Pleasure ticklers for enhanced sensations
Stretchy, comfortable erection ring
Reusable 
Replaceable AG10 batteries last 60+ minutes
SEBS
Latex and phthalate-free
Wireless
Waterproof