Commodity parameters Origin: Mainland China...Classic model: Yes...Applicable gender: Female...Detailed classification: Necklace...Model: Little beating heart_N_1...Main material: Brass...Commodity material: Copper plated with 18k gold...Launch year and season: Spring/Summer 21...Size: 40+10cm (extended chain)...Style: European and American style...Brand name: O.YANG... Product display and maintenance instructions