Which is better for FPS games?

The Endgame Gear OP1w 4K V2. It is lighter and polls at up to 4000 Hz, which cuts input latency compared with the Aerox 9's 1000 Hz.

Which is better for MMOs?

The SteelSeries Aerox 9 Wireless. Its 18 programmable buttons cover skill bars that the OP1w 4K V2 cannot.

Which has better battery life?

The Aerox 9, rated up to 180 hours. The OP1w 4K V2's high polling rate uses more power per hour.

Is the OP1w 4K V2 worth the extra?

It is $139.99 at Best Buy as of November 8, 2026, and no Aerox 9 price is listed here, so compare live prices before deciding. For competitive FPS, the lighter weight and 4K polling justify a premium.

Does the Aerox 9 work over Bluetooth?

Yes. It connects by 2.4 GHz RF or Bluetooth, while the OP1w 4K V2 is wireless without a listed Bluetooth mode.

Which suits smaller hands?

The OP1w 4K V2. The Aerox 9 is listed as not for kids or smaller hands and is right-hand ergonomic only.

Endgame Gear OP1w 4K V2 vs SteelSeries Aerox 9 Wireless

Buy the Endgame Gear OP1w 4K V2 if you play competitive shooters and want a light, fast wireless mouse with a high polling rate. Buy the SteelSeries Aerox 9 Wireless if you play MMOs or MOBAs and need many side buttons plus Bluetooth. The OP1w 4K V2 is $139.99 at Best Buy as of November 8, 2026, and the Aerox 9 has no listed price in this comparison.

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