Aerox 3 Daemon


I bought a new mouse to replace my old one and I had limited options. I wanted a wireless USB-C mouse that worked with both Bluetooth and 2.4GHz. I narrowed it down to the MX Master and the Aerox 3 Wireless, and a sale on the Aerox made the decision. I like the mouse a lot. I think it looks good and is nice to use; however, it has one fatal flaw—it doesn’t remember settings on device memory.

This is frustrating because I like to have my computer setup as LED-free as possible, especially at night. Even more frustrating is that the mouse resets to rainbow RGB colors everytime it sleeps from inactivity, not just when it powers off! The official solution is to use SteelSeries’ own management software, but it seems to be a bit of a privacy nightmare. So, I decided to make my own.

The Daemon

I have only tested this on macOS Monterey and with the 2.4GHz wireless connector, but it appears to be working with no caveats.

Use a shell script like this one that sets all of the mouse settings you want using rivalcfg. This one turns off all LEDs. Make sure that you specify where rivalcfg is located.


export PATH=/Library/Frameworks/Python.framework/Versions/3.10/bin

rivalcfg --top-color black
rivalcfg --middle-color black
rivalcfg --bottom-color black
rivalcfg -a black

Next, create a file at ~/Library/LaunchAgents/com.aerox.plist with the following contents (source).

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC -//Apple Computer//DTD PLIST 1.0//EN >
<plist version="1.0">

Be sure to use the actual path to the shell script you wrote before! This answer on StackOverflow explains how to get the correct values for the idProduct and idVendor fields using System

Finally, launch the new daemon.

launchctl load /Library/LaunchDaemons/com.aerox.plist

The mouse should update its LED colors within a few seconds. In a classic feature-not-bug, this script will fire every 10 seconds as long as the mouse is plugged in, which is actually a good thing for our purposes because for some reason SteelSeries decided to make the memory clear on sleep as well as power off.


I only got this working because of rivalcfg and this StackOverflow answer explaining how to write a systemd daemon that runs a script when a specific USB device is detected.