Amazon.com: 6FT Cable for Logitech Harmony Remote Compatible with 600, 650, 700, Ultimate, Ultimate One, Touch & Elite for Data Transfer USB Programming sync : Electronics
Logitech Harmony 600 Step-by-Step Setup - YouTube
Logitech Harmony 650 Universal Programmable Color Remote Control Silver 97855072320 | eBay
Replacement USB Programming & Charging Cable for Logitech Harmony 600, 650, 700 Ultimate & Ultimate One Remote Controls - Newegg.com