Your operating system (Windows, Linux distribution and kernel version, or macOS version).
What you see when you run lsusb or Device Manager hardware IDs.
Any error messages or behaviors (not recognized, driver missing, malfunction).
Device Type: Vehicle Communication Interface (VCI)
Primary Use Case: Official diagnostics and flashing for the Volkswagen Group (VW, Audi, Seat, Skoda, Bentley, Lamborghini).
Connectivity:
Check the Linux usb.ids file (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/usb/usb.ids) and searchable sites copying it. Also query the USB‑IF vendor list if public.