The COLMi R12 Smart Ring Fitness Tracker is a sleek and stylish activity tracker that can monitor your heart rate and track your sleep. Made from stainless steel, this ring is water-resistant and has a battery life of up to 5 days. It is compatible with both iOS and Android operating systems, and provides measurements in both decimal and imperial units. The smart ring includes features such as wireless connectivity, Bluetooth compatibility, and the ability to track distance travelled. With its compact display size of 0.5 inches and lightweight design, this fitness tracker is perfect for running and jogging activities.
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