The Screamimg O PrimO Apex hits sensational heights with 100% premium silicone construction and our most powerful 4 function motor to date positioned vertically for unparalleled stimulation. Matching luxurious taste with an economical price, the Apex vibrating erection ring inspires couples to reach the ultimate peak of pleasure. Ultimate luxury at an affordable price. Vertical vibrating head for heightened sensations. 100% premium silicone. Our most powerful 3 speed plus pulse motor. Replaceable AG13 batteries last 60+ minutes. 100% premium silicone. Latex and phthalate free. Wireless. Waterproof.