The Vibrating Johnny is a mild vibrating penis ring. When using it with a female partner it will stimulate her clitoris and also give him a nice massage.  It is made of 100% medical grade silicone.  It fits firmly around the base of any penis size. There is a small bullet encapsulated in the silicone which provides the vibes. 

When using this with a male and female partner we suggest the female be on top of the male as that is when the vibrations will be felt the most. 

This is a great beginner ring.  The vibrations are mild.  Once you get used to the Johnny we suggest you check out the Tongue Tickler, or the Dolphin Ring if you need more intense stimulation. 

It has an on and off switch that controls the one speed vibrations.  The bullet has a life span of 20 to 30 minutes and can be used multiple times for the duration of the life of the product. 

For More Information on Penis Rings check out this Article.