Flexible Silicone stimulators with extreme vibrating and intense gyrating action with 10 intense functions of vibration, pulsation and escalation. Easy touch controller with plug-in jack and LED. Hold for 3 seconds to turn off. Uses 2 AAA not included. Materials: Silicone sleeve, ABS plastic controller, stimulator ABS plastic with silver plating decoration. Dimensions: 3.25 inches by 1.25inches shaft. 1.5 inches by .75 inch stimulator.