New and improved design. Technique as developed by Dr. Manaka of Japan for Eight Extra Meridian and other special treatments. Proprietary, highly sensitive Germanium diodes within the connecting wires allow the body’s potential current energy to flow only in one direction, thus balancing ionic flows and concentrations. The Manaka Ion Pumping Cords have standard alligator clips. Approximately 78″ long wire cords. Cord colors subject to change.