Dr. Joel Kaplan Versatile Prostate Stimulator is endorsed by Dr. Joel Kaplan. Firm yet flexible stimulator angled for versatile prostate stimulation. 10 powerful functions of vibration, pulsation, and escalation. Push button controls with auto off. Safe and pure for body and pleasure. Made using phthalate freem, non-toxic materials PVC probe, ABS plastic cap. Recommended lubricants are water base. Sex toy can safely be inserted 3 inches to reach the prostate effectively. External stimulator 3 inches long. Male g-spot stimulator comes in a u-shaped for solo play. Vibrating sex toy requires 2 N batteries, included. Do not leave batteries in the vibrator between uses. Always clean before and after use. Dr. Joel Kaplan Angled Prostate Massager is a registered trademark for California Exotic Novelties.