With the design, they obviously made it up, it's superfluous.
Has some pros:
This is a miracast whistle, so it has no functionality, just plug and play. Compact, USB extension included. The image is quite tolerable, but clearly worse than connecting with a cord. No significant delays were found.
Has some cons:
For some receiving devices, due to the thickness of the case, an HDMI extension cable may be required, but it is not included in the kit. After connecting, the very central plastic part…