2 balls in one convenient item. Completely waterproof with a handy remote will help any woman young or old strengthen their kegels which in turn will strengthen her muscles for so many added benefits. Do you pee when you sneeze? Well these balls will help you out significantly. The tail makes sure you won't lose it inside and the remote will remind you it's inside of you as if you could forget, right? No more trying to remember to do kegels at your desk as this will do most of the work for you. You will feel better knowing you are taking control of your body before it wears out completely on it's own. Rechargeable with the supplied cord. Enjoy and be well!