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It took 34 days to arrive, untraceable tracking number, and then it was broken. Bad service.
The device works, shows the correct value, compared with the other tested, the only minus does not spike that on one side is good on the other is not.
-Accurate measurements for PR and SpO2 (small deviation about 1% as its described) -Screen is totally not an OLED but TFT I think -Build quality is very good for its price -It is powered up by 2× AAA batteries
Product seems to be ok, works well. Pulse value is accurate (checked with blood pressure monitor) Very fast shipping and delivery. Thanks Banggood.
it takes 2aaa batteries. with a protective plastic. i have tested with another one, it works good, accurate.
Liked it.
The package came in a little rough, but it looks like everything's working. Measurements seem accurate. The description of this product corresponds.
Very good product 🙂 Recommended
A simple oximeter with 99.9% accurate measurement. It's working perfectly!
The package has arrived, the device is working fine, everything is fine.