This fully automatic, high-tech pump offers 3 levels of intense suction and 5 vibration functions. It features a soft and vibrant contact pad that provides the sensation of full coverage. Enjoy strong suction and excellent sealing with two unique replaceable rings. Use the simple ring for your regular pumping sessions and the extra-tight ring for intense stimulation. This detachable pad is easy to use, easy to clean, and requires no special care. It operates with 3 AAA batteries, which are not included.