Cheap but probably won’t work I’m guessing?

If you really want a cheap smart watch there’s a bunch of reliable ones worth looking into rather than getting something random on temu. I haven’t tried the Pine Time but it looks good if you like fiddling with the tech.

If you can put up with Xiaomi they make a ton of different options. I used a Mi Band for a few years and it kinda did what I wanted it to do better than my current Wear OS watch does