How accurate are these watches u don't need a false sense of security!

Good morning from Elkins, West Virginia warriors. 7 October 2023.

The technology for non invasive blood glucose monitoring - has NOT received approval by any country in the world because of the inaccuracies.

A cgm is less accurate than a finger stick and this tecnology is significantly less accurate than a cgm. But lack of approvals and inaccuracies does not stop China from producing these dangerous smart watches.

They can be DANGEROUS, if a diabetic uses them for treatment decisions.

We have tried 3 separate blood glucose smart watches for 3 months each between my Bride and me.
They can show trends, but are quite inaccurate. My Bride is not diabetic.

I keep my numbers in a very tight range, TITR. My numbers are 5.7(103) to 7.5(135). All 3 smart watches report numbers from 2.7 to 8.8. In fact I can take 2 readings within a minute and one can read 3.3 and the next 6.8. They only read in mmol/L

But the blood pressure was somewhat more static and closer to being accurate. But it reports seemingly only good bp. It almost always reads about 120/80, whether my bp is 115/75 (medicated) or 150/100 (unmedicated).

The pulse rate, pulse Ox, and body temperature were spot on.

I haven't tried the ecg yet.

The larger ones are easier to use and have a nicer display.

Do they have useful information - Yes. Is the data they provide other than blood glucose useful, somewhat yes.

As a nondiabetic my Bride loves hers, since she feels the info confirms good numbers. But when compared to fingersticks, it is all over the place.

Are the blood glucose numbers useful. Yes and No. My 1 hour reading, I can get 2 successive readings within a minute of 2.6(36) and 8.3(150).
A fingerstick tells me my actual number is 9.0(162).

For a nondiabetic with a self correcting system, it probably makes them feel good.

For a diabetic, who will make treatment decisions based on the information --- a definitive NO. They are still just a novelty, and not safe or useful.

They are unapproved by every country in the world. That doesn't stop China from selling them.

They can be DANGEROUS, if you rely on them for treatment decisions.

Please stay with the fingersticks, or cgms, they are accurate and useful.

The smart watches are... DANGEROUS ... when used for treatment decisions. AVOID RELYING on them. They can be deadly.

Any pictures of those watches?