Designed with couples in mind, the Prostate Massager stimulates the prostate for more intense orgasmic pleasure. May be used in or out of the water. Endorsed and prescribed by Dr. Joel Kaplan. ● Angled for ultimate contact. ● Multi-speed vibrations. ● Waterproof! This prostate massager is unisex. Enhance your sensations by stimulating your prostate during a bath or shower or on dry land. You know it must be good if its been endorsed by Dr Kaplan.