Amazon.com: Logitech Harmony 665 Advanced Remote Control, Universal Entertainment Remote, Replaces up to 10 remotes with Guided Online Set-up and Interactive Help (Renewed) : Electronics
Logitech Harmony - Wikipedia
Harmony Remote Setup
Add Devices to Harmony
The 2 Best Universal Remote Controls of 2023 | Reviews by Wirecutter
The 2 Best Universal Remote Controls of 2023 | Reviews by Wirecutter