Logitech Pro X DAC, 3.5mm to USB adapter (black, non-braided version).
Genuine item, taken from Logitech G Pro X headset. Compatible with any 3.5mm wired headset.
Very good condition. Tested and working.
Includes only what is shown in photos.
Free UK postage.
P/N 881-000344, R-R-DZL-A00102.