and below is the info that he has found in iobluetooth:
Here is a zoom version of what is written in red:
The batteries in your Apple Wireless Keyboard are critically low, and the device may turn itself off at any time. Please replace the batteries as soon as possible.
and
The batteries in your Apple Wireless Mouse are critically low, and the device may turn itself off at any time. Please replace the batteries as soon as possible.
After this proof, this info is still considered as a [rumor] till it is made official by Apple
