Women's retro pendant necklace with 925 silver, geometric shape, sun, moon and universe elements

This is a retro-style pendant necklace designed for women. The main material is copper, and the processing technology is electroplating. The pendant material is 925 silver, and the shape is geometric. The chain length ranges from 51 cm to 60 cm (inclusive), with design elements including sun, moon, universe, pattern, and texture.