The Dr. Joel Kaplan Prostate Massager has a distinctively angled tip that makes it easy to reach the P Spot. Designed with couples in mind, the prostate massager stimulates the prostate for more intense orgasms. This multi speed massager is completely waterproof, so you can take it anywhere Requires 2 AAA batteries. Measurements: The body measures 7.5 inches long with 6.75 inches of insertable length, and 1.5 inches in diameter.