Logitech G Hub and Gaming Software Guide - How to use - TheGamingSetup
Got Logitech G110 for my birthday.
User manual Logitech G610 Orion (English - 119 pages)
Logitech G110 LED Backlighting Gaming Keyboard - Newegg.com
Backlight color help | Logitech G110 | Gaming Software Guide (Page 103)
Amazon.com: Logitech G213 Wired Gaming Keyboard with Dedicated Media Controls, 16.8 Million Lighting Colors Backlit Keys, Spill-Resistant and Durable Design, Black : Electronics