This tungsten carbide magnet and mineral bracelet is often called a 4 in 1 because it has four therapeutic elements for optimum balance. First of all it has N52 5200 gauss rare earth magnets which are silver and assist electrical flow in the body thus increasing circulation by reducing inflammation. The second element is Germanium which is black. Germanium is believed to help in many ways including the immune and circulatory systems. Many believe it may also help with fatigue, improving sleep, detoxify the body, and pain conditions. The third element is a Far Infrared technology which is red. Far Infrared Ray is believed by many to help the body detoxify and maintain vitality. The fourth element is Anion Negative Ion technology which is white. Negative Ions are believed to promote better metabolism and balance in the body. It is believed that they may improve the body's functioning in many ways including the immune, cardiovascular, muscular, and circulatory systems. We hope you will enjoy the effects of the four technologies that are believed by many to help our bodies naturally in many different ways.