N/A New Black Smart Ring Wireless Fitness Tracker - Sz 10

Black Smart Ring with sleek design in sz 10. The Smart Ring delivers activity tracking and simple notifications directly to your phone. Core Functions: Track heart rate, blood oxygen saturation (SpO₂), step counting, and sleep cycles. Connectivity: Uses Bluetooth to sync data directly to dedicated fitness tracking apps compatible with both Android and iOS devices. Charges with a magnetic charger which is included. New in box. Factory Sealed.