Hoi and sure - according to Jabra this is the 380: This one for USB-A:
Jabra Adapter Link 380a or this one for USB-C: Jabra Adapter Link 380c MS
...and yes, these things get lost, break off, crumble.... had a whole bunch of replacements of these in the shop.... if they were still "cheap"... LG
When connecting afterwards: Insert the stick, open the Jabra software (stick is recognised?), then pair via headset (push the button or something all the way forward on the Bluetooth symbol until it flashes blue...) and then click on connect in the software. Good luck ;)