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Amazon.com: Rechargeable Oxygen Meter Finger Pulse Oximeter, SmileCare Bluetooth Pulse Oximeter Fingertip Blood Oxygen Saturation Monitor with Heart Rate and Perfusion Index with Free App iOS & Android for Adult : Health
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Amazon.com: iHealth AIR Rechargeable Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor with App, SpO2, Pulse Rate, Plethysmograph, and Perfusion Index : Health & Household
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Bluetooth Rechargeable Pulse Oximeter Fingertip,SmileCare Blood Oxygen Saturation Monitor with Heart Rate,Accurate Spo2 Recording for Adult with Free App iOS & Android,Portable Large OLED Display. - Walmart.com
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