Envy by Jopen Sixteen Pink Kegel Ball. Discreet and personal Kegel exerciser with easy retrieval cord. Intense, incremental speed control. Rechargeable, Lithium Ion battery runs for 1.5 hours on low speed, 25 minutes on high speed. Complete charge in 2.5 hours. Unscented, non-porous, hypoallergenic. Satin Finish and virtually seamless. Premium Silicone maintains and retains body heat. Auto on/off function with LED charge indicator. Security travel lock function. Whisper quiet. 100% waterproof. 100% Silicone. 100% play area. Easy to clean. One year warranty. Bulk weight 1.3 ounces. 1.5 inches Kegel exerciser. 4.25 inches overall.