Xiaomi Smart Band 7 Activity Fitness Tracker Watch Black M2129B1

Xiaomi Smart Band 7 (model M2129B1) is a fitness tracker and smartwatch featuring heart rate monitoring, sleep tracking, SpO2 monitoring, and activity tracking with Bluetooth 5.2 connectivity. Compatible with Android and iOS smartphones; includes the band unit and charging cable as originally packaged. Key specs visible on box: 5ATM water resistance, color AMOLED display, Bluetooth 5.2. Condition: The item appears unused and in as-new condition; box shows wear and creasing but the band itself appears unissued — untested, sold as-is