Millennium Stud 5000 spray is a lidocaine-based delay spray aimed at supporting men last longer while sex decreases the physical sensitivity of the penis. Millennium Stud 5000 Spray design for men. It acts as a mild anesthetic to the penis and helps desensitize the skin. It also helps delay ejaculation and is very helpful for people experiencing early discharge. It helps improve the experience of sexual relations for both men and women.