Your strength is your foundation!for Women, strength isn't a choice. it's a way of life. 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, krush measures the pressure, control, endurance, and grip of your pc muscles. simply connect to tasl, and you'll build the strength to control your flow, enhance your pleasure, and love more about life.product features.1. built in sensor measuring pelvic floor muscle strength2. built in motor for haptic training feedback and pleasure3. body safe silicone4. waterproof5. usb rechargeable6. one year manufacturer's warrantytasl app features.1. quick start guide2. pelvic training courses3. voice guided training4. exercise activity training5. goal setting and rewards6. app locking feature for extra securitysensor and bluetooth rechargeable kegelstrong motor for deep vibrationsfree android and ios tasl appwhite satin privacy pouchusb charging cord