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.
Audio: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio vendor: Dell driver: snd_hda_intel v: kernel bus-ID: 00:03. Fedora Discussion SHARKOON Technologies GmbH — USB Vendor 1EA7 hid vid-1ea7 amp-pid-0066 amp-rev-0200 amp-mi-00
That combination likely corresponds to a or a generic HID input device (like a presenter, barcode scanner, or gamepad). On Windows, the generic USB Audio 2
SHARKOON Skiller SGH1 (Rev 0200) Kernel tested: 6.1.52 Windows driver version: 2.1.0.8 (2023) snd-usb-audio grabs MI-01–03
1EA7 (SHARKOON Technologies GmbH / SEMITEK International) Product ID (PID): 0066 (Mediatrack Edge Mini Keyboard)