Luxury prostate massager uses unique stroker technology to stimulate the prostate. Choose from five stroker stimulation settings to find the one perfect for you. Sparta is made from silky soft silicone, is waterproof and rechargeable using a convenient USB magnetic charger, included. It performs an electrifying “come hither” motion, resulting in deeply gratifying orgasms. Designed to appeal to all men, regardless of their sexuality. Silicone shaft is 3.9 in. high, 1.3 in. diameter at thickest point. Includes storage pouch and user manual.