Having never heard of this before, I 100% thought you were just blending brands and words together--Amazon/Fit/Bit--and throwing out an absurd tech spec--45 days of battery--but I just looked it up and it's real. Wow.
Edit: Except it's $99
Edit: Except it's $99
I don't know what "Lite" means, but there's also this listing at $72 for maybe the fancier version: https://www.gearbest.com/smart-watches/pp_668632.html
It says $63 until I click on it but the discount is lower on the product page than the search results.