The HP 767076-001 RJ45-to-VGA adapter adds Ethernet and VGA connections to a compatible notebook through its side docking port. It is identified as an HP spare part in the service guide.
The adapter uses a 70-pin dock connector and provides an HD-15 VGA port alongside a female RJ-45 port. This lets the notebook connect to a VGA display and a wired Ethernet network through one adapter.
The listing names the HP EliteBook Folio 1040 G1 and G2 as compatible models.