LifeStrength FUZE Series Negative Ion Bracelet Official ENDEVR FUZE Series/T1i - Ionic - Negative Ion Bracelet The minerals are charged through Far-Infrared waves similar to natural sunlight. Most of the minerals are Silicate minerals which are able to absorb Far Infrared. When the Far Infrared is absorbed by the minerals they become charged and then stimulate the air to create Ions. An anion (-) from the Greek word (no), meaning "up", is an ion with more electrons than protons, giving it a net negative charge (since electrons are negatively charged and protons are positively charged).