product details Material 1: Copper, 14 K gold plating Material 2: Pure silver Packing: 1 pair, without packing box product description Made of copper with a layer of 14k gold on top, which means it will last longer (at least 3 months). ● Keep dry ● Avoid bathing/swimming in clothes ● Avoid prolonged exposure to sweat ● Avoid exposure to chemicals ● Avoid friction collisions
