Maximize your erection with the Maximizer Worx Elite pump. It has a transparent cylinder with metric graduations, perfect for you to see how your penis grows. At the base, a soft silicone sleeve hugs your penis and creates a closure to keep it in place, maximizing comfort. You can prolong your ejaculation by sliding the included enhancement ring on the penis until it is comfortable and well adjusted. It also has a button to operate a powerful suction motor. Features: 5 extra powerful suction modes Automatic pump Vagina silicone sleeve Cylinder with measurements USB rechargeable ABS