Smart balls for kegel training. Strengthen and tone your pelvic muscle which can weaken over time due to childbirth and age. Regain your bladder control and tightness. Improve the sensitivity of sexual satisfaction and change your life. Smart kegel trainer for beginners.Patented sensitive sensors and real-time squeezing feedback.Smart training courses with Magic Kegel App.With multipoint patented film sensors.Material silicone and ABS Size diameter 30x58, 190mm Weight 36g Charging time 90 minutes Maximum continuous use 150 minutesWashing: Hot soapy water and toy cleanerController: RemoteFor Who: FemaleBrand: Magic MotionPower: USB Rechargeable