The Nu Sensuelle Double Action Cock Ring is powered by 2 extremely powerful bullets, designed to provide the highest level of stimulation. Both bullets are fully rechargeable and feature 7 powerful functions. The design of the soft silicone ring is intended to give extra stimulation to both partners with the nub designed, which vibrate with the bullets. Each bullets is removable from the ring and can be charged simultaneously as this piece is packaged with two (2) USB recharging cords. Also as the bullets are removable from the ring it helps with cleaning after use. The bullets contained within this product are amongst the most powerful on the market, and can be removed not only for cleaning but for touch play, making this toy multi purpose. You can easily scroll through the power and function settings with the convenience button located at the base of the bullet.