The arm muscle tonner stimulator with 6 modes and 10 intensities helps build muscle and keep fitness shape, perfect for arm, waist, and leg muscle training. Our EMS Muscle leg and arm trainer is designed to strengthen your body and build a shaped figure, everyone can use it for 20 minutes per day, for consistent use, you will gain a better figure. https://f1tnessf1natix.com/collections/gadgets/products/f1natix-electric-abdominal-muscle-stimulator