The elastic band is made of polyester and woven stainless steel/nickel fibers on interior surface. Each unit comes with a 2m coil grounding cord with a built-in one mega ohm resistor for safety.
The elastic band is made of polyester and woven stainless steel/nickel fibers on interior surface. Each unit comes with a 2m coil grounding cord with a built-in one mega ohm resistor for safety.