Pear dual function mechanical and vibrating kegel balls are designed to provide pleasurable vibrations while building pelvic muscles. Use the mechanical kegel ball for daily strengthening. For stimulation and play, use the motorized kegel ball with remote controller to deliver 10 deeply gratifying vibration modes with a touch of a button. Features a powerful motor yet remains extremely quiet. Made of velvety smooth silicone, the ball is splashproof. Includes a USB charging cable. Measures 7.9 in. by 1.38 in.