Logitech K400 (920-003070) Wireless Keyboard for sale online | eBay
I'm sick of old stuff you can't but anymore on this sub! I bought this Logitech k400r about 10 years ago and no matter how much I abuse and/or neglect it, it
logitech K400 Wireless Touch Keyboard User Guide - Manuals+
keyboard - How to program Logitech function keys? - Ask Ubuntu
How to swap F key functions – Logitech K400 – K400r | Tips Thoughts Notes