COLMI R02 Smart Ring, størrelse 12, 21,3 mm (sort) + opladningsfoder NOTEBOOK SLEEVES Automatic overflow protection

Automatic overflow protection

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COLMI R02 Smart Ring, størrelse 12, 21,3 mm (sort) + opladningsfoder NOTEBOOK SLEEVES Automatic overflow protectionCOLMI R02 Smart Ring, size 12 The COLMI R02 Smart Ring in size 12 (21. 3 mm) in black is a lightweight and discreet smart ring that combines health monitoring with sports features. The device measures heart rate and blood oxygen levels (SpO2), analyzes sleep, and tracks daily activity and workouts across 21 sports modes. Thanks to Bluetooth 5. 0, it works with the QRing app, saves data for later synchronization, and its IP68 water resistance and