Passion Pals Fluttering Butterfly. Playful designs and sized right for the beginner, intermediate or advanced users. Powerful vibrating stimulators with reversible rotating beads. 7 incredible functions of vibration, pulsation and escalation. 3 speeds of independent reversible rotation. 5 rows of non-jamming synchronized rotating beads brilliant LED lights. Easy push button controls with brilliant LED lights. Hold for 3 seconds to turn off. Safe and pure for body and pleasure made using phthalate free materials Thermoplastic Elastomers TPE vibrator, ABS plastic controller, Carbon Steel beads. Vibrating sex toy requires 3 AAA batteries, not included. 4 inches by 1.25 inches shaft. 2.25 inches by 2 inches stimulator.