Wellue Pulse Oximeter O2Ring

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Wellue O2Ring is a continuous, overnight pulse oximeter ring that monitors your oxygen levels while you sleep. Its finger vibration reminder gently nudges you when your oxygen leve ls drop, helping you maintain healthy breathing patterns throughout the night. And with its sleek, comfortable design, you'll hardly even notice you're wearing it. It's designed to track your overnight SpO2, heart rate and PI precisely. The built-in alarm function makes O2ring the ideal device to improve your respiration. Show more