<p class="MsoNormal">Vital Flex Core EMS Stimulator is a portable electronic device designed to target abdominal muscles using Electrical Muscle Stimulation (EMS) technology. It works by sending electrical impulses to your abdominal muscles. These impulses cause the muscles to contract and relax, mimicking the actions during exercise. You can effortlessly train your core muscles with this device. Vital Flex Core EMS Stimulator