This TENS EMS PMS unit is perfect for anyone looking for a wireless and versatile muscle stimulator. With 10 different modes and 39 different strength levels, you can customize your muscle stimulation experience to your liking. The unit comes with three different sizes of pads, large, medium, and small, to fit any area of your body. You also have the option to use wires to cover extended areas. This unit is perfect for anyone looking to relieve muscle pain, improve circulation, or reduce muscle tension.