PUMP ADDICTED - VIBRATING BULLETAll Pump products can be combined with the launch of Pump vibrating bullet to increase the feeling of pleasure. Turn the bottom disc of the base to activate the vibrations and enjoy extra stimulation. It turns the PUMP ADDICTED pump into an object of pleasure, not only improves sexual performance but also gives you pleasure during the PUMP moment. It works with two AA batteries not included that you can find in the section Batteries.