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iHealth AIR Wireless Fingertip Pulse Oximeter for Blood Oxygen Saturation, Perfusion Index, and Pulse Rate. With Smartphone App for Plethysmograph and Perfusion Index. Rechargeable Built-in Battery : Health & Household
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Amazon.com: Bluetooth Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor, Heart Rate Monitor and Fast Spo2 Reading Oxygen Meter with LED Screen Included AAA Batteries : Health & Household
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