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Finger Pulse Oximeter [BM1000] : ID 4580 : $19.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: Finger Pulse Oximeter, (SpO2) Blood Oxygen Saturation Monitor with Pulse Rate Measurements and Pulse Bar Graph, Digital Reading LED Display : Health & Household
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Amazon.com: mibest OLED Finger Pulse Oximeter, O2 Meter, Dual Color White/Silver : Health & Household
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Amazon.com: Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate Measurements and Pulse Bar Graph, Portable Digital Reading LED Display, Batteries and Carry Case Included : Health & Household
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Amazon.com: Microlife Fingertip Pulse Oximeter, Portable Home Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate Measurements and Pulse Strength Bar Graph, Digital LED Display : Health & Household
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Fingertip Pulse Oximeter Blood Oxygen Meter SpO2 Monitor, Blood Oxygen Saturation Monitor SpO2 Level Heart Rate Monitor, OLED Digital Display - Walmart.com
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