There are several potential benefits to using a vibrating penis ring:

1. Increased Pleasure: The added vibration from the ring can provide additional stimulation and pleasure for both partners during sex or masturbation.
2. Enhanced Erection Quality: Like regular cock rings, vibrating penis rings can help maintain a harder, longer-lasting erection by constricting the blood flow to the penis. The added vibration can also help enhance blood flow to the penis, which can be particularly helpful for people who struggle with erectile dysfunction.
3. Delayed Ejaculation: The pressure from the ring, combined with the added stimulation of the vibration, can help some people last longer during sex or masturbation by delaying ejaculation.
4. Shared Stimulation: Because the vibration is often located at the top of the ring, it can provide direct stimulation to the clitoris or other sensitive areas during intercourse, providing added pleasure for both partners.
5. Variety: Vibrating penis rings come in a wide range of shapes and styles, and can be used in a variety of ways. Some are designed to be worn around just the penis, while others are designed to be worn around both the penis and testicles. Some rings may have additional features like multiple vibration speeds or patterns, providing even more variety and customization.

It's important to note that vibrating penis rings should be used safely and in accordance with the manufacturer's instructions. Using a ring that is too tight or leaving it on for too long can cause tissue damage and other health issues. Additionally, anyone with a history of blood clotting disorders, cardiovascular disease, or other medical conditions should consult a doctor before using a vibrating penis ring.