This "intelligent" 4 function Move 'N Shake Bullet knows all the right vibes!  

   Dance, walk, jog or exercise --- your choice.  This smart bullet is action activated and has 4 powerful functions of vibrations, pulsation, and escalation, that automatically change as you move.It is made using phthalate free non-toxic materials and ABS plastic with Velvet Polyurethane Silky smooth PU Cote.Batteries are 4 watch size and  8 are included.  This bullet vibrator measures 2.5 inches long by 1.2 inches wide.

So get crackin' and enjoy!