The Interactive Trio is a set of three powerful vibrating bullets connected to a single multispeed controller. A slider switch on the left of the controller allows the user to set the speed for a single attached bullet. while the other two vibrate simultaenously with the right switch setting. Whether used to intensify solo satisfaction or to add a whole new dimension to lovemaking. the infinite possibilities of these vibrating bullets make them three toys in one! Requires 3 AA batteries. not included.