The Doc Johnson Pucker up Pump is a vibrating clitoral and vaginal stimulation pump, with multi speed vibration. Pump up for suction then disconnect bulb and the pressure will stay. Now use the controller for just the right amount of vibration. Soft, comfortable fit. Quick release valve. 3 inches in length, 1 inches in diameter. Clitoral pumps increase blood flow and in doing so create a whole new sexual sensation. The amount of suction and intensity of vibration can be increased through the circular movement of the pump. n