nano-bio-functional materials. <br>In the case of temperature and pressure changes， continuous release of far infrared， negative ions. <br>And the thermoelectric micro-current stimulation effects to the human body. <br>Can effectively improve blood circulation， ease muscle fatigue， activation of cell metabolism， dredge the meridians， to wind and dampness， pain to the cold， and enhance the bodys resistance to disease. <br>Products are safe， easy to use， lasting effect.
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