The Aneros SGX is a medically researched and designed device that works in harmony with your body's own movements, redesigned along with the MGX from our original model. It is easy to use and fulfilling, with progressively rewarding exercises and experiences. Originally designed for the Asian market. The Aneros can also be used to great effect during traditional sexual encounters. During oral sex and traditional intercourse, when the man uses the Aneros he will be harder, last longer, have better control. His prostate will empty more fully during ejaculation, which means a more intense and satisfying orgasm. This increased sexual performance is a great secondary benefit for the partner as well. The Aneros is a great way to explore and expand your intimacy with your partner. Its patented self-propulsion mechanism allows the hands-free Aneros to adjust itself to the body's own contractions. Aneros features: ribbed stem for stability, standard perineum tab. For beginning users. Great for prostate health, especially BPH. Made in the USA.