Turn your favorite penis into the ultimate vibrator! This marvelous stretchy jelly ring fits securely around the base of his penis, so when the removable egg vibe is turned on, exquisitely powerful vibrations are transmitted throughout his entire shaft. She gets all the erotic benefits of a living, eager-to-please vibrator, he gets the unique and extraordinary erogenous experience of becoming one! Multi-speed. Uses two AA batteries (not included).