I have tried both the Oticon and the Marvel (old version of the KS10) and I found the connection for music and phone calls to be a lot better on the Made For iPhone (Oticon) Aids. I’m sure the Jabra should work the same way.
EDIT - Altho I just read this, so now I’m not sure. GN launching a Jabra branded M&RIE product at Costco - #222 by KenG