How to repair the buttons on a Harmony 600/650 remote control .. easy DIY fix! - YouTube
Harmony One Button Pads
BUTTON REPAIR for Logitech Harmony 600 650 665 700 Remote Control with deoxit | eBay
Logitech Harmony 600 650 665 700
Amazon.com: Remote Case for Logitech Harmony 650, Tading Shockproof and Anti-Drop Silicone Protective Case Cover Skin for Logitech Harmony 650/665/700 Remote Controller - Black : Cell Phones & Accessories
Fix Rubber Contact Buttons With a Pencil (Logitch Harmony 650 Remote) : 4 Steps - Instructables