muscle stimulator that uses technology to stimulate and pulse your muscles, promote muscle toning, burn fat, and release muscle tension after exercise. Use in conjunction with a healthy diet and exercise for best results. Just 20 minutes a day and you'll be in better shape in 2 months! The muscle stimulator trainers are made with high-quality materials. They are very flexible and particularly gentle on the skin, conforming to the body's contours. They are suitable for most body parts such as the abdomen, waist, arms, shoulders, back, thighs, calves, and buttocks. A simple workout – 30 minutes with the abdominal trainer is equivalent to a 2000m run, one hour of sit-ups, one hour of swimming, or two weeks of dieting. 20 minutes is equivalent to a 2000m run, an hour of sit-ups, an hour of swimming, or two weeks of dieting. Each battery pack has a different control program—there are 6 selectable exercise modes and 9 stimulation intensity levels that you can adjust via the buttons on each pack for speed and convenience. Easy to use: ultra-light and slim, easy to carry. Ergonomically designed to target abdominal muscles. Position the exercise device where you want to strengthen your muscles. To turn the device on, press the "+" button for 3 seconds; to turn it off, press the "-" button for 3 seconds. Train anywhere, anytime.