Yeah
Similar functions is too vague, be more specific about what functions, perhaps other members has better recommendations

I'm using G604 that bought it when it first came out, it started have clicking issue just few months ago, i bought second G604, but, the old mouse clicking issue suddenly gone, lol

i sold the binb mouse and still using the old G604 unrepaired.

Aiming for G502 X wireless just iin case G604 suddenly kaput