These unique Apple-shaped kegel balls help you to train your pelvic floor muscles and enhance sexual pleasure. You wear this apple inside your vagina with the pull-out cord out. You can start to exercise by wearing the ball for a few minutes each day and increasing the duration of the training as you get stronger in the intimate muscles. A small metal ball inside provides the vibrations when you move. Very pleasant for your love life and very helpful during and after pregnancy. Discrete, safe and easy.