ITEM NAME:Concentric black stone sapphire magnetic bracelet- OZ 100% new and high quality! Material: black stone Style: unisex Modeling: geometric type Health function: anti-fatigue Weight: 12.5g Color: multicolor (pictured).Features: A healthy bracelet with anti-fatigue features and health care. Material: black stone. Color: multicolor (pictured). Style: unisex. Weight: 12.5g.