Kegel balls pink with App Lovelife Krush Bluetooth enabled kegel trainer balls: For women, strength isn't a choice, it is a way of life. The Lovelife Krush kegel exerciser helps strengthen the pelvic floor, which weakens over time due to childbirth and age. Equipped with built-in sensor technology and a strong motor for deep vibrations, the kegel bals with App Lovelife Krush measures the pressure, control, endurance, and grip of your PC muscles. Compatible with iOS & Android.