Experience next-level pleasure with the ZOLO Black Thumb Vibrating Cock Ring with Prostate Massager. The prostate-targeting internal stimulator enhances your pleasure. while the erection-enhancing ring ensures longer-lasting enjoyment. Featuring 10 vibration modes. the Black Thumb has a stretchable inner ring. Made from body-safe materials. this item is also splashproof and USB rechargeable. ensuring convenience and pleasure.