Okay, so I got this pulse oximeter for my senior cat who’s been dealing with some health issues. First off—YES, it actually works! The first time I used it, it caught my cat’s low oxygen levels (turns out he had anemia). After adjusting his diet, I could literally see the numbers improve. That part? *Chef’s kiss.*

BUT here’s the thing—placement is EVERYTHING. My cat has medium-length fur, so his ears were a no-go at first. Tail? Only if your pet is practically bald. After some trial and error (and mild feline disapproval), the base of his ear finally gave consistent readings. Now he just naps through it like a champ.

Battery life is solid, and the USB charging is clutch. Way better than those horror-story devices that need to go on the tongue (imagine trying that with a cat… no thanks).

Now, the downsides: Some reviewers say it’s straight-up unreliable—like giving heart rates of 39 when their dog’s actual rate was 103. Yikes. Also, if your pet has dark skin under their fur, good luck getting an accurate read without using… alternative placement (yes, the manual suggests *creative* spots).

Verdict? If you figure out the quirks, it’s a legit tool for peace of mind. But if your pet’s health is critical, maybe double-check with a vet-grade device first.