The "Vibrating Penis Ring" is an accessory that includes both a tight ring around the base of the penis to enhance erection and stimulate sexual endurance, as well as a small vibrating clitoral stimulator attached to the ring to provide female pleasure by stimulating the clitoris. This small intimate toy is made with high-quality materials such as silicone and ABS, it contains no phthalates and emits no unpleasant odor. It is also easy to clean and very effective in enhancing your moments of pleasure. The inner diameter of the ring is 3.5 cm and the product comes with 4 LR44 mini batteries included. Brand: Malesation.