PRETTY LOVE BI-210212HP-1 Train, tone and tighten your vagina, and have days of fun doing it with the Pretty Love 12 Function Vibrating Kegel Balls. Allow yourself, or even your partner to experiment and control the 12 vibration functions that include a range of speeds and patterns for intense internal sensations. Discover and use any of the 12 preset modes, or create your own with the free mobile phone-controlled app. Give your Kegel muscles the training and pleasure they deserve with interchangeable, vibrating Kegel balls.