Ion Detox Physiotherapy Foot Bath Infrared Foot Spa Machine Features "The principle is to put a working arm with positive and negative poles into the water, and electrolyze the water with 20 volts direct current to produce a large amount of hydrogen and negative ions. One of the theoretical basis is based on the principle of the 2003 Nobel Pr1
High Quality & Safe to Use Purely water reaction without any side effect for this foot spa system. Safe and effective. The array is made of high quality stainless steel coils, one array can last through 30-50 uses. Use it regularly to detoxifying, you will be full of energy, have a very good sleep and look beautiful, etc