Aneros Eupho Syn prostate massager the world-famous, hands-free Aneros Prostate Perineum Stimulators. Through their patented, anatomical design, Aneros products provide incredible sexual pleasure by directly stimulating the prostate, which is now being called the Male G-Spot. Backed by years of testimonials from happy customers, and great reviews on the radio, books, magazines, and on the web, Aneros has established itself as the ultimate source for male sexual fulfillment. Since 2002, Aneros has been creating products that give men the ability to experience mind and body-expanding pleasures that truly reach the soul. Prostate probe measures 5.125 inches all over long, can safely be inserted 4 inches to the handle by .75 inch to 1 inch wide.