Turn on the pulse oximeter and place it on your fingertip, ideally the middle or index finger Keen to find the top smart pulse oximeters of 2025 Sit still and avoid moving while the device reads your oxygen levels and heart rate
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The screen will display your oxygen saturation level (spo2) and pulse rate within seconds
Ensure the reading is stable for 30 to 60 seconds before removing the device.
To find the best pulse oximeters, our experts reviewed over 60 products based on cost, quality and special features Compare our top picks to learn more. Learn about the pulse oximetry test, which measures your blood oxygen levels Know the importance, how it’s performed, and what the results mean for your health.
Portable and lightweight with led display, 2 aaa batteries, lanyard and travel case (white) Sifting through the options can feel overwhelming, especially since prices vary widely. Looking for a reliable pulse oximeter