This is the WORST pulse ox. meter I’ve ever tried. The first reading said my O2 level was 89 and my pulse was 91. I really needed this to work for my mother.

it told me my 73%, which is not accurate as i am alive....

This pulox is worthless. I got it few weeks ago. Worked couple of times .I kept in box it came in.. And after few days checked shows finger out . Very bad equipment.waste of money. Very upset about it.

Returned the 1st one b/c it was defective, and so was the replacement

Lo use dos veces y nunca volvió a encender le cambie las pilas porque pensé que era eso y no prendió nunca más....

Poor quality. Couldn't even get it to work. Power wouldn't come on after new batteries inserted. Cheap product . Save your money!

Oximeter did not come with batteries, but that is our fault for not checking. Put new batteries in on multiple oximeter and they would not turn on or not stay on unless you constantly moved the batteries.

very disappointed in it.

Unless my O2 is actually 78 and my pulse 138 this oximeter is not working correctly. I purchased this 5 weeks ago. I’m 1 week past the return date.

I made sure the batteries were inserted correctly, and I tried every other possible configuration. It simply does not turn on.