Will seven wonders never cease? It's wondrous and thunderous! This Wonder Bullet packs seven functions in one mini-bullet vibrator. It comes complete with an electronic seven function RF-jack controller. Wonder bullet is non-toxic and Phthalate-free. Bullet measures 1.5 inches long and has a 1/2 inch diameter. Three AAA batteries, not included, are needed for vibrations. I wonder how you ever lived without this vibe.