FX-AUDIO's high-performance DDC supporting USB, optical, and coaxial inputs. - Brand: FX-AUDIO - Model Name: FX-D03J+ ← Model number with a "+" (plus) - Connectivity: USB, Optical, Coaxial - Output Devices: SPIDF Interface - Operation confirmed on Windows 11 (see photo 3). - Not the GAME edition. - The manual is for the FX-D03J (without the "+"). It seems the wrong manual was included from the time of purchase. The differences from the correct FX-D03J+ manual are not significant, as described in photo 9. This is a used item, so please refrain from purchasing if you are looking for a perfect product. Shipping may take longer on weekends and during the New Year's holiday period.