Used - Like New: Logitech Harmony Smart Keyboard Add-On for Harmony Ultimate Hub Remotes (915-000241) - Newegg.com
Logitech Harmony Ultimate universal remote review: A remote that almost has it all - CNET
Logitech Harmony - a Hub and it's Elite, Ultimate, Companion
Infrared Ir Mini Blaster Emitter For Harmony Smart Control Remote,Add Or Replace An Ir Mini Blaster To Your Harmony Hub - Buy Infrared Ir Mini Blaster Emitter,Harmony Remote,Ir Mini Blaster Product on
User manual Logitech Harmony Hub (English - 2 pages)
Harmony Ultimate and Smart Hub review: Logitech outdoes itself with new remotes | Engadget