ASUS ROG Strix Impact III Wireless mouse: 57g, 36K DPI and dual wireless

The ASUS ROG Strix Impact III Wireless is a compact, ultralight gaming mouse that weighs 57 grams, not counting the battery and receiver. It connects over 2.4 GHz radio or Bluetooth and is designed for gamers who like a light, small mouse and fewer cables on the desk.

Weight and shape

Light mice are easier to lift and flick, which many players of fast shooters prefer, particularly with a low-sensitivity setup. The Impact III has an ambidextrous design, meaning the shape works for left- and right-handed users. Its compact size suits smaller hands and claw or fingertip grips. Larger hands or palm grips may find it small, so the size is worth thinking about.

The sensor: what 36,000 dpi means

ASUS lists the ROG AimPoint optical sensor with up to 36,000 dpi of sensitivity and a deviation of less than 1%, which it calls industry-leading. DPI is how far the cursor moves for each inch the mouse moves. Most players set values in the hundreds to low thousands, so the maximum is more about headroom than daily use. Tracking accuracy and consistency matter more, and low deviation means the cursor moves in step with the hand.

Two ways to connect

• 2.4 GHz RF: ASUS says ROG SpeedNova wireless technology gives low-latency, reliable performance with good energy efficiency. A dedicated receiver is generally the choice for fast games.
• Bluetooth: you can pair up to three devices, which suits a laptop, tablet and desktop.

ROG Omni Receiver

The Omni Receiver is a single dongle that connects to several supported devices. ASUS describes using one dongle for both a keyboard and mouse, so fewer ports are used. Check which ROG products are supported.

Battery and switches

The listing quotes battery life of up to 618 hours. As with all such figures, it comes from the brand's own test conditions, and real use depends on the connection mode, lighting and polling settings. The mouse also has replaceable switches, so the click mechanisms can be swapped if they wear out or if you want to change the feel. Check the manual for how it is done and what the compatible parts are.

Who it suits

It suits gamers who want a small, light wireless mouse, people who switch between a desktop and a laptop, and anyone who wants fewer cables.

What to check before you buy

• Grip and hand size: a 57-gram compact mouse is a different feel from a full-size one. Think about how you hold a mouse.
• Weight: the 57 g figure excludes the battery and receiver, so the working weight is a little higher.
• Connection: you need a free USB port for the receiver, or Bluetooth on your device.
• Software: check whether ROG's software is needed for the settings you want, and that it supports your system.
• Upkeep: check how the replaceable switches work and what batteries are used.

The short version

• A compact, ambidextrous wireless gaming mouse at 57 grams, excluding the battery and receiver.
• ROG AimPoint optical sensor up to 36,000 dpi.
• 2.4 GHz RF with ROG SpeedNova, plus Bluetooth for up to three devices.
• ROG Omni Receiver for multiple supported devices.
• Replaceable switches and battery life of up to 618 hours, per ASUS.

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