Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
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
Amazon.com: Silicone Keyboard Cover Skin Compatible for Logitech K400 Plus Wireless Touch TV Keyboard (Not for Logitech Wireless Touch Keyboard K400 with Built-in Touchpad) (Clear) : Electronics
Logitech K400 Plus Touchpad Wireless Keyboard
How To Fix Logitech K400r Keyboard (Keys not responding) - YouTube
Logitech K400R Wireless Keyboard and Touchpad NO USB Dongle Receiver | eBay
Short review: Logitech K400r vs Plexgear Mediatrack Ergo - Erik Moberg's personal homepage - photography, gadgets, DIY, and more
Logitech K400 Plus Keyboard Not Working Troubleshooting Guide - YouTube