The advent of USB type C-only ultrabooks have led to a slew of portable solutions that purport to offer all other I/O required, many of which debut via crowdfunding campaigns. The Signature Pro from Flujo Technologies is no different in this regard - except that it also incorporates a slot for an NVMe SSD.
https://www.notebookcheck.net/Flujo-claims-to-combine-a-multi-port-notebook-dock-with-an-M-2-SSD-enclosure-in-the-Signature-Pro.460237.0.html