Get The Portable And Quick Result Display Fingertip Pulse Oximeter
Brand new pulse oximeter with oled display - electronics - by owner - sale - craigslist
Amazon.com: Pulse oximeter fingertip with Plethysmograph and Perfusion Index, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, O2 Monitor Finger for Oxygen,Pulse Ox,Oximetro,(Red-Orange) : Health & Household