Erection support, amazing vibrations, and explosive orgasms! The powerful bullet provides amazing vibrations while the super-stretchy rings help maintain thicker, harder erections. The top ring squeezes your shaft, while the lower ring wraps snugly around the base of your balls. This incredible ring is ready to go right out of the package! The vibrating bullet is powered by three AG13/LR44 batteries (included). - Item Width: 2.32 (59mm) - Item Height: 3 (76mm) - Item Depth: 0.92 (23mm)