The Silhouette S3 is a perfectly weighted premium Silicone Kegel exerciser with easy retrieval cord. The speed control is incremental, meaning that you can find the perfect speed for you or your partner. Features a instant on/off button for easy control. USB rechargeable (includes charging cord). Complete charge in 2.5 hours. Massager will run on highest speed for 40 minutes and on lowest speed for 1.75 hours. From California Exotic Novelties. Measurements: 3.5'' x 1.25''/ 9 cm x 3.25 cm.