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Amazon.com: Pulse Oximeter Fingertip, Digital Blood Oxygen Saturation Monitor for Heart Rate Monitor and SpO2 Levels, Portable LCD Pulse Oximeter (Batteries Included) : Health & Household
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Amazon.com: Clinical Guard CMS-50DL SpO2 Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor with Heart Rate Tracker, Fingertip Pulse Oximeter with Batteries, Silicon Cover & Case, Lanyard, Blue : Health & Household
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Amazon.com: Child Pulse Oximeter, Oxygen Monitor for Kids Baby and Blood Oxygen Saturation Heart Rate Monitor with Automatic Shut-Down, One Directions OLED Display, Include 2 X AAA Batteries : Health & Household
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