he Screamimg O PrimO Apex Black Vibrating Cock Ring hits sensational heights with 100% premium silicone construction and our most effective 4-function motor up to now positioned vertically for unparalleled stimulation. Matching luxurious taste by having an economical cost the Apex vibrating erection ring inspires couples to achieve the best peak of enjoyment. Ultimate luxury in an affordable cost. Vertical vibrating mind for increased sensations. 100% premium silicone. Our most effective 3-speed plus pulse motor. Replaceable AG13 batteries last 60 minutes. 100% premium silicone. Latex- and phthalate-free. Wireless. Weight: 1.2 oz. Extended Name: The Screaming O PrimO APEX. Brand: The Screaming O. Color: Black. Battery type used: AG13. Material: Silicone. Product type: Vibrating ring. Texture: Pleasure ticklers. Waterproof: Yes. Wireless: Yes. Waterproof. Updated April 4, 2014