Colmi
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COLMI R02 Smart Ring size 11 (20.3 mm) is a lightweight wearable designed for continuous tracking of heart rate, SpO2, sleep, and daily activity across 21 sport modes. It connects via Bluetooth 5.0 to the QRing app for data syncing and long-term analysis. The titanium alloy construction with a hypoallergenic inner layer ensures comfort for all-day wear. With IP68 water resistance and 6–7 days of battery life plus a magnetic charging case, it supports reliable, uninterrupted health monitoring in daily use.
