Combining a sleek ribbed shaft with the sensuous vibrations of our waterproof stainless steel bullet, the Nexus Vibro is a world renowned favorite in prostate massage. Designed to fit perfectly to the body`s inner contours, the Vibro exerts delicious pressure in all the right places, whilst the five individual vibration settings of the removable bullet are expertly primed to send you into a whole new dimension of pleasure. Comes with a stainless steel roller ball that will roll against the perineum simultaneously as you enjoy the massage and vibrations of the shaft. Made from phthalate-free polypropylene. Bullet is stainless steel and waterproof and includes a 1.5 volt LR1 battery. You can choose from 6 vibration modes: low, high, slow pulse, fast pulse and escalating.Shaft length: 3.94 in.Shaft circumference: 3.43 in.