The Wellue O2Ring Pulse Oximeter Sleep Monitor is a small and convenient device that utilizes infrared sensor technology to accurately measure your oxygen saturation levels overnight. This Bluetooth-enabled device is smartphone compatible and can also track your sleep quality, monitor your heart rate, and alert you with a vibration. Powered by a rechargeable battery, this sleek black unit is designed for easy use and comfortable wear while you sleep. Perfect for those looking to monitor their oxygen levels and improve their sleep health.
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