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Amazon.com: CMI Health Battery Operated Pulse Oximeter - Adult Finger Spot-Checking - Adjustable Alarm for Pulse Rate and SpO2 Levels - Batteries, Carry Case Included : Health & Household
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Sejoy Pulse Oximeter Fingertip with Batteries and Lanyard,Blood Oxygen Saturation Monitor with Carrying Bag, SpO2 Heart Rate Monitor,Black - Walmart.com
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