Experience centuries of orgasms in the making! The Butterfly has centuries of Japanese tradition making it the vibrator that it is today. The insertable length of the shaft 4.5in and has ribbed diameter of 1.75in. The jelly shaft gyrates with the turn of a dial. The clit teaser is lined with ticklers and has a separate bullet that is multi-speed and powerful. Simply turn the dial for the bullet and float away in ecstasy. Requires four AA size batteries, not included. Experience the best!