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
Harmony Touch™ User Guide
Harmony Ultimate™ User Guide
New Harmony 600 and Harmony 650 Remotes Debut | logi BLOG
How-To: Set up the Logitech® Harmony® Hub with Remote Buddy and control 100+ Mac apps with the Harmony® Smart Control / Companion / Ultimate / Elite
How to Install the Logitech Harmony App - Support.com TechSolutions
Logitech Harmony Hub Setup and Configuration Guide - YouTube