The Apple Watch Series 6 shifts its focus heavily toward physiological data, incorporating advanced infrared scanners for blood oxygen insights. This refurbished model is guaranteed to be 100% functional, bringing an upgraded processor and a brighter always-on panel to the mix.
Key Features
Blood Oxygen Sensor: Features a specialized cluster of four LED clusters and photodiodes to measure the oxygen saturation level ($SpO_2$) of your blood at any time.
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