Question about Jabra Evolve 65 UC Duo

Yes, it should be there. It is also listed under "Download for technical data" in the PDF.
"Connectivity Wireless connection via Bluetooth (USB dongle for PC included)".

http://www.jabra.com.de/business...

If you cannot find it, please contact customer service:

digitec@digitec.ch
+41 44 575 95 00
Monday - Friday:
09:00 - 18:00

Does the charging station have a connection for connecting to landline telephones (RJ11)?

I have, but I haven't found anything yet...

I would think so. Have you looked for hidden compartments or something where you could stow it?