This is a multi-purpose instrument, it is not just a foot bath detoxification function. It also has the effect of massage. Foot bath detox is divided into hydrogen molecular detox and ion detox, which are produced by two different generators respectively, and have different mode choices for different groups of people, such as men, women, and children. Hydrogen molecular detoxification only requires the hydrogen molecular mode. https://www.sdyfu.net/ion-cleans...ionic-detox-machine.html