... czech diamond 2. 7.5-8.5 inch Far infrared ray,negative ion magentic stainless steel bracelet 1.material: ... concentration, reduce susceptibility to colds and flu, relief from sinus, migraine headaches, allergies and hay fever.far infrared ray,negative ion ... ,UPS,TNT,EMS,FEDEX,etcfar infrared ray,negative ion magentic stainless steel bracelet far infrared ray,negative ion magentic stainless steel ...