Pure Infra™ used by dose is a low-temperature, radiation-free far-infrared technology that has been used in infant incubators for over 50 years. It evenly release 8-12 micron wavelength far-infrared ray with a purity of more than 95%. This special band of far-infrared ray produces the same frequency resonance with subcutaneous cells, to achieve burning fat, beautifying skin, reducing blood pressure, controlling blood glucose, immunity and basic metabolic rate.