Stratus System Update
Stratus System Update 1.0 for Mac can be downloaded from our website for free. This free software for Mac OS X is an intellectual property of SteelSeries. The program is categorized as System Tools. This Mac download was scanned by our antivirus and was rated as safe.
From the developer:
StratusSystemUpdate is a simple application that allows you to update firmware for the SteelSeries Stratus MFi controller. Keeping the firmware up-to-date ensures the best experience with the product. The first step requires the STRATUS to be connected to your MAC.
You may want to check out more software for Mac, such as nanoKONTROL2 Updater, macOS Sierra Software Update Patch or Dynu IP Update Client, which might be similar to Stratus System Update.