Is this mouse good for gaming?

No. It uses a standard optical sensor and a basic wireless link, which is fine for browsing and office work but not for fast-paced games. Gamers should look at a wired or low-latency wireless gaming mouse.

Does it need a battery?

Yes. It is a wireless mouse, so it runs on a battery that you replace or recharge depending on the version. Keep a spare on hand so it does not die mid-task.

Will it work with my Mac?

Yes. A standard wireless optical mouse like this works with Windows and Mac computers through its USB receiver or Bluetooth pairing. Check which connection your unit uses before buying.

Is it comfortable for all-day use?

It has a conventional flat shape, not a vertical or contoured ergonomic design. Fine for everyday tasks, but people with wrist strain should consider an ergonomic mouse instead.

Is it worth it over a plain mouse?

You pay extra for the Jets graphics, not for better hardware. Buy it if the team look matters to you; otherwise a plain mouse offers the same basics for less.