The JOPEN Intensity is the first sex toy built around a new patented technology created for a completely different application. It began when two medical professionals created a unique apparatus to strengthen womens pelvic floor muscles. During the tests for Jopen Intensity, women began reporting intense orgasms and sexual joy like never before. Created, designed, tested, perfected and manufactured 100% in the USA. Inflatable shaft for custom fit. 10 Incremental levels of electro stimulation with the dual electro contacts to enhance pelvic contractions.