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 vs K400r | AFTVnews
Short review: Logitech K400r vs Plexgear Mediatrack Ergo - Erik Moberg's personal homepage - photography, gadgets, DIY, and more
Solved - Awesome Logitech K400r wireless keyboad with touch pad lost his dongle | Tech Support Guy