The Smart Fitness SE-CA-391 device offers muscle strengthening and toning with multiple, different, lightweight low-frequency pulsations that are transmitted to the body. It is suitable for the abdominal muscles, arms, and legs. It has 10 intensity levels and provides targeted exercise with alternating muscle stimulation programs for toning, increasing endurance, strength, and body shaping. You can use it during relaxation at home, walking, or even while doing your chores.