Global Smart Ring Market Size, Share, Analysis By Product Type (Health Monitoring Smart Rings, Fitness Smart Rings, Payment Smart Rings), By Application (Health & Wellness, Fitness Tracking, Contactless Payments), By Distribution Channel (Online Retail, Specialty Stores, Consumer Electronics Stores), By Operating System Compatibility (Android, iOS, Cross-Platform) Industry Region & Key Players – Segment Overview, Dynamics, Strategies, AI Trends & Forecast 2026-2034