Better Sex Synergy Pleasure System's oscillating action is enabled by a specially designed, hi density motor. An ergonomic design and five unique attachments provide ease of use and a variety of experiences. Expand your capacity for pleasure by experimenting with the Synergy Pleasure System Each Synergy Pleasure System contains: Beaded Ball attachment, G-spot attachment, Cup and Ridges attachment,Rabbit Flutter attachment and the Dual Navigator attachment Dimensions: 9" long; 2" Batteries: Comes with a rechargeable C battery and AC Adapter. Standard C batteries may also be used to power your massager.