Just bought used Phonak Audeo B-R, still to arrive. How can I know what class are they? There is no battery door to look inside for the information, so where is it? The seller advised serial number 1729M0C8. I understand that first 2 numbers are year of manufacturing. but how will I get rest of information? Are they programmable via Noah Link Wireless, or icube 2 only?
The red and blue markers are see through colours so the make of the hearing aid is on the blue and red markers.
See Fitting Page 6 where it says Audéo B-R B90/B70/B50 = iCube II.
These documents are easy to find. Try it, click this → LMGTFY.
It says Audeo Phonak, nothing else.
Lift up the name plate. The serial number and performance level are printed on the inner side of the plate.
Rasmus, you are champion. I’d never think about lifting the plate… 
Thanks