GvibeGballs 3 is an advanced and improved personal muscle trainer with smartphone control.Kegel training with Gballs3 easy, effortless, and playful.You dont need to spend a lot of time on this, only half an hour a day and in 3-4 weeks you could seereal changes.Gballs 3 offers what ordinary vaginal balls do not - feedback, helping you to understand what to dowith your kegel musclesand how to do it.