It's a Rii Mini Keyboard i4, and my concern is that it's a microphone. I just noticed the hole and think I'm probably wrong in what it is considering how big a deal it would be if it was a mic that isn't advertised.
What could this hole be for or what is it? Thanks in advance, hope this doesn't violate any rules.
Wonderful day!
Indeed, the manual does not describe it:
- http://www.riitek.com/upload/i4.pdf
It seems more like a hard "reset" button located at the front for unknown reason...
The single teardown I found that exposes the PCB front of this device is the following, but the website has the full sizes of the images locked behind authorization:
- https://www.mydigit.cn/thread-220779-1-1.html
From the first glance at other teardowns found, it seems like the device is relatively easy to disassemble to check it manually. For example:
Disassemble the RII i4 wireless keyboard by removing the six screws from the bottom case.
Be sure to remove the battery before prying apart the top and bottom case as this can damage the battery connector.
Oh! I'd been writing the comment, and once published, 3 more appeared!
Thank you, @ProdigalFrog@slrpnk.net, for the information! Please do consider publishing it at more searchable blog/forum/resource, too!