This is the same one my home nurse and my doctor uses. When i first got it i compared readings of theirs vs mine to make sure and they matched. Highly recommend. Also durable, I can't tell you how many times I've dropped it with no problems. The batteries pop out but otherwise intact.
Track Your Oxygen Levels And Heart Rate With IProven Fingertip Pulse Oximeter – Includes Battery, Case, And Lanyard In Blue
49 Review
SadoTech Necklace: A Wireless Medical Alert System For Caregivers And Seniors
44 Review
Smart bracelet Xiaomi Mi Smart Band 5 Global, black
244 Review
Smart bracelet Xiaomi Mi Smart Band 5 RU, black
148 Review