Experience next-level pleasure with the ZOLO Black Thumb Vibrating C-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.