O-Boy vibrating prostate stimulator by the trendy English Rocks-Off label. Dual stimulator of sleek design with slightly curved top for perfect prostate stimulation. The studs on the other end stimulate the perinaeum or scrotum. A perfect sex toy for all users, be they beginners, advanced or experts. Can be used hands-free, allowing extra pleasure in both solo and shared use. Requires one 1.5 volt N-size battery (included).