The Screaming O Big O2 provides intense stimulation for both partners. Place the stretchy cock ring at the base of the penis, with one bullet at the top and one directly underneath the penis. Press the buttons to turn on and enjoy the multi-functional 9 stage motor for her and the tingling vibrations for him. This super-powered pleasure erection ring is waterproof and has a battery life of over 60 minutes. Batteries can be replaced with common watch batteries. Random colour despatched. Batteries included.