On Windows, the generic USB Audio 2.0 driver works, but the "SHARKOON Gaming Audio" driver is needed to expose MI-00’s HID reports for the LED button. On Linux, snd-usb-audio grabs MI-01–03, but MI-00 remains unclaimed unless you write a small HIDRAW utility.
So, is not audio—it's the control interface . It handles: hid vid-1ea7 amp-pid-0066 amp-rev-0200 amp-mi-00
It looks like you've provided a string of technical information related to a USB device, specifically: On Windows, the generic USB Audio 2
This denotes that the device is "composite." Since wireless receivers often handle multiple streams of data (like mouse movement plus programmable button macros), MI_00 identifies the primary interface of the hardware. Operational Role and Driver Support snd-usb-audio grabs MI-01–03