Global Keychain Pendant Market Size, Share Demand Report By Product Type (Fashion Pendants, Functional/Utility Pendants, Smart NFC-enabled Pendants, Modular/Collectible Charm Systems), By End-User (Men, Women), By Distribution Channel (Online Retail, Direct-to-Consumer Stores, Specialty Stores, Department Stores, Lifestyle & Gift Shops), By Region & Segment Forecasts, 2025–2030