Amazon.com: Easy@Home Fingertip Pulse Oximeter (Not for Medical Use) - SpO2 Blood Oxygen Saturation Meter and Heart Rate Monitor -EHP050 : Health & Household
Amazon.com: iProven Pulse Oximeter with Heart Rate Monitor on Fingertip, Oxygen Saturation Oximeter, Includes Batteries, Case and Lanyard, OXI-27White : Health & Household
HealthTree Bluetooth Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor and Heart Rate Monitor with Free APP, for Apple and Android, 2 X AAA Batteries, Lanyard gray
Oxy Meter Finger Tip Oxygen Saturation Heart Rate Monitor Pulse Oximeter (Multicolor) – Aetrio Technology