AverMedia C988 Live Gamer HD 2

Purchased around March 2019 and used until last year when I bought a higher-end model and removed it from my PC. I am selling it as I have no plans to use it in the future.
The listing includes the main unit, instruction manual, and original box.
The following is quoted from the Avermedia page:
- Connection Interface:
PCI Express x1 Gen2 (UVC/UAC compatible, easy plug-and-play connection)
- Input Terminals:
- HDMI 1.4
- 3.5mm AUX Terminal (3-pole)
- Output Terminals (Passthrough):
- HDMI 1.4
- 3.5mm AUX Terminal (3-pole)
- Maximum Input/Output Resolution: 1920 x 1080@60fps
- Maximum Recording Resolution: 1920 x 1080@60fps
- Encoding Method: Software Encoding
- Recording: When using RECentral
- Still Image Format (When using RECentral): PNG
- Supported OS: Windows
- Included Software:
- Recording/Streaming Software: RECentral (PC version)
- Plugin for Third-Party Software: StreamEngine (PC version)
- Diagnostic Tool: Diagnosis Tool (PC version)
- Supported Third-Party Software: OBS Studio, XSplit, AmarecTV, etc.
- Status Indicator Lamp: Equipped (LED lamp)
- Power: PCI Passthrough Power
- Main Unit Dimensions: 151 x 125 x 21.5 (mm)
- Main Unit Weight: Approx. 145g
- Operating Temperature Range: 0 ~ 40℃
- Operating Humidity Range: 15 ~ 90% (non-condensing)