The FCC filings point to a new wireless keyboard and an Apple Magic Mouse 2.
So, the FCC filings indicate that Apple is already working on it.
Further, they will no longer be stuck to Bluetooth 2.0.
This means users will no longer have to change batteries ever again.
There is no clarity as to when the new Magic Mouse 2 and wireless keyboard will be released.
source: www.techworm.net