Kegel Ball for Woman Size:185*85*35mm Material:Medical Silicone Battery:Lithium battery Noise: Max 45dB Waterproof Package Including: 1*kegel ball 1*remote controller 1*charge USB cable 1*Instructions 1*Fabric Cloth Sack 1*socket magnetic charger Why choose kegel exercise balls? 1.Tighten and strengthen your pelvic muscles and beauty your hip.2.Reduce urinary incontinence, women's postpartum urinary incontinence.3. Preventing vaginal prolapse and uterine prolapse.4. Regain confidence. Use method 1. Clean the kegel ball 2. Use some water soluble lubricant 3. Lie down and relax body,find your pelvic floor muscle(PC muscle) and insert the kegel ball. 4. 30 minutes of training every day, when you walk, dance or go swimming. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.