... or Magnesium, or SilverFill media: Tourmaline ceramic ball, Alkaline ball, ORP ceramic ll, FIR ceramic ball, Antibacterial ceramic ball, ect.The Portable Water Stick ... How does it works?Tourmaline by the absorption of the body release the far infrared,negative ions,minerals,etc. to ... blood circulation and metabolisom.So as to achieve beauth ,body,and treat some chronic effect For FIR can make water ...