The manufacturer has replaced the blue remotes with the new black remotes and added an extra preset for convenience
We do have a few used but tested compatible remotes available for $50 less at this link:
https://www.adjustablebedremotes.com/#!/Like-New-Replacement-Remote-Compatible-with-E95-Select-Comfort-Sleep-Number-Flex-Fit-flexfit-Precision-Precision/p/792982831