Reddit users report some issues with wireless connectivity, charging, and build quality depending on batch.
> “when I use 2.4ghz it disconnects frequently and i am considering returning it.”
“the coating started to wear off ... the white one ... slowly becoming black.”
The version you find might vary in build and specs (there are several re-brands of the same internals).
If you meant an actual “HP” branded X3 mouse, I could not find trustworthy specs under that naming — it may be a local re-brand or something similar.