Erection support, amazing vibrations, and explosive orgasms! The powerful bullet provides amazing vibrations while the super-stretchy ring helps to maintain thicker, harder erections. 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: 2.07 (53mm) - Item Depth: 0.91 (23mm)