This is a new type of bracelet equipped with "Black Silica," a natural mineral that emits far-infrared rays. Far-infrared rays are not only about the strength of the radiation, but also the wavelength that has a beneficial effect on the human body. Black Silica is attracting attention as an excellent material that meets the conditions of "strength" and "good wavelength." ● Unisex Bracelet 【Specifications】 Material: Accessory alloy (rhodium plating) Length: Approximately 20cm Weight: Approximately 28.5g Width: Approximately 8.0mm With 10 Black Silica beads Thank you for viewing.