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Experience balance & happiness with the Fingertip Pulse Oximeter Silfab YK-80C: accurate, reliable & easy to use.
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CONTEC CMS50NA Fingertip Pulse Oximeter Blood Oxygen Saturation SpO2 monitor gray Color OLED - Walmart.com
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Finger Pulse Oximeter [BM1000] : ID 4580 : $19.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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4-color OLED Display Medical Digital Pulse Oximeter FInger Oximeter Heart Rate Monitor Spo2 Blood Oxygen Saturation Meter Sensor
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