Screaming O PrimO is a fantastic cock ring with vibrator, which is just the sex toy for you if you want extra titillation during sexual intercourse or masturbation. With the PrimO you get a flexible cock ring with vibrator that aids a longer-lasting, strengthened erection, while you pamper yourself with its 4 vibration possibilities. Choose between 3 different programmes with continous intensity and 1 pulsation programme, depending on how stimulating you want the ring to be.