Photo 1 of Fingertip Pulse Oximeter, Pulse Oximeter with Alarm, High definition OLED Oxygen Monitor Fingertip, Fast and Accurate Oxymeter Includes AAA Batteries Bag Lanyard ?Purple?

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Photo 1 of Fingertip Pulse Oximeter, Pulse Oximeter with Alarm, High definition OLED Oxygen Monitor Fingertip, Fast and Accurate Oxymeter Includes AAA Batteries Bag Lanyard ?Purple?Photo 2 of Fingertip Pulse Oximeter, Pulse Oximeter with Alarm, High definition OLED Oxygen Monitor Fingertip, Fast and Accurate Oxymeter Includes AAA Batteries Bag Lanyard ?Purple?