Engraved Sound Wave and QR Code Keychains

Upgrade your connection to music with our Engraved Sound Wave and QR Code Keychains. Personalized sound waves of your favorite songs scan on a QR code, that allows you to carry and play your music effortlessly. Materials: Stainless Steel, Gold, Rose Gold, Silver, Black Length: 40 millimeters   Let's go further. At ChainsOnly, we bring you the latest in keychain innovation! Our Password Protected QR Code Engraved Keychain combines security and convenience in a sleek, stylish accessory. Scan the QR code to access a password-protected webpage containing essential information, making it perfect for storing emergency contacts, medical info, or a secret message. Discover the perfect blend of tech and style with ChainsOnly.