Magic Motion Smart Kegel Balls are an intelligent addition to your pelvic training program. These kegel balls are pure bliss they and rsquore the perfect size for comfort and offer a great fit thanks to the sleek silicone finish. These kegel balls keep track of your exercising to keep you motivated. They have a lightweight design that makes them a dream to wear and are as easy to clean as they are to use. The kegel balls are USB rechargeable and make use of Magic Motion they can be controlled via voice, music or motion. They and rsquore waterproof and perfect for use in the bath and the shower. This device measures 8.4cm x 3.4cm x 3.4cm and is perfect for regular use.