Package Dimensions:4.06 x 3.7 x 1.06 inches; 3.21 ouncesDepartment:womensDate First Available:June 5, 2023ASIN:B0C74TRNGZThe ancient medical books "Shen Nong Ben Cao Jing" and "Compendium of Materia Medica" have recorded that jade has the following effects: "removing heat, relieving frustration, moistening the heart and lungs, helping the voice and throat, nourishing the hair, nourishing the five organs, resting the soul, sparing the blood, clarifying the ears and eyes";Therefore, wearing jade jewelry, such as jade bracelets, jade pendants and other direct contact with human skin and friction, the trace elements in jade into the human body and absorbed by the body, therefore, long-term wearing jade, the human body will slowly absorb the trace elements in jade, to achieve the role of health care.Natural jade contains a variety of essential trace elements, such as zinc, copper, manganese, magnesium, iron and other elements, and some trace elements can not be obtained through food.