The concentration of negative ions necklace is 2018 ions per cubic centimeter.
The concentration of negative ions pendant is 558 ions per cubic centimeter.

Model No.: P055A

Health Pendant with Necklace ( Type A ) 

1、Colour: black,pink,red,light brown,dark blue,white

2、Size: S(42cm) & L(48cm)

3、Gift box packing

4、Materials:Silicone/Germanium/Tourmaline/Stainless steel

Retail Shops in China