The Harmony software sees it as one device, but it actually controls two. My wife and I have been using my "hacked" 650 to control six devices for the last year or so, and it works flawlessly.

But Harmony remotes did, as a proliferation of home theater devices drove our need for more widgets to control them. This was the era of Blu-ray versus HD-DVD, of the PlayStation 3 and Xbox 360.

Alternatively, you can refer to the list of supported devices for Harmony OS 3, which includes the MatePad SE, MatePad 10.4 inch 2022, MatePad Paper, MatePad 11, MatePad Pro 10.8 inch 2021 ...

At the time, Logitech said it would “support our Harmony community” with “access to our software and apps to set up and manage your devices,” for “as long as customers are using [them].” ...