Unisex spotify coded silver color bar bar necklace chainnecklace length is fixed 65cm. the barcode of the song you choose will be laser engraved on the jewelry bar. it is resistant to discoloration. since the barcode will be laser processed on the bar, it will not be deleted. the product photos belong to us. you can write the print you want to have made in the product questions section with the number Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.