The Wrongduck retro Bluetooth fitness tracking ring combines elegant styling with lightweight wearable technology for everyday activity monitoring and modern fashion. Designed with a sleek retro-inspired appearance and compact comfortable fit, this fitness tracking ring supports daily movement tracking, sleep pattern analysis, step counting, and activity insights while blending naturally with casual or professional outfits. Built with advanced sensor technology and seamless Bluetooth connectivity, the ring easily syncs with compatible iOS and Android devices through a lifetime free companion app with no subscription fees required. The included portable charging case provides convenient power storage for travel, work, and everyday use. Featuring an IP68 waterproof design and durable lightweight construction, this wearable ring is suitable for daily routines, workouts, outdoor activities, and extended wear. Specifications: Product Name: Wrongduck Retro Bluetooth Fitness Tracking Ring Connectivity: Bluetooth Compatibility: iOS and Android Waterproof Rating: IP68 Charging Method: Portable Charging Case Battery Feature: Rechargeable Tracking Functions: Sleep Tracking, Step Counting, Activity Tracking Material Feature: Lightweight Hypoallergenic Design App Subscription Required: No Package Included: Fitness Tracking Ring ×1 Portable Charging Case ×1 Charging Cable ×1 User Manual ×1 ⚠ Notes: Please confirm ring size before purchase. Actual product color may vary slightly due to lighting and display settings. Avoid exposure to strong chemicals or sharp impacts. Charging adapter is not included.