Amazon.com: Logitech Wireless Touch Keyboard K400 with Built-in Multi-Touch Touchpad, Case of 8 : Electronics
Logitech K400R Wireless Touch Keyboard with Touchpad (NO RECEIVER) (FRENCH CHARACTERS)
Logitech K400r Wireless Touch Keyboard with Touchpad & USB Dongle - Tested | eBay
Logitech Keyboards Review: K310 and K400r
Amazon.com: Logitech K400 Plus Wireless Touch With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black : Electronics
How To Fix Logitech K400r Keyboard (Keys not responding) - YouTube
Amazon.com: Logitech Wireless Touch Keyboard k400 with Built-in Multi-Touch Touchpad - White : Electronics
Logitech K400r Wireless Touch Keyboard with Touchpad & USB Dongle - Tested | eBay
keyboard - How To Replace Logitech Wireless Unified USB Plug In Ubuntu - Ask Ubuntu
Logitech K400 Plus Touchpad Keyboard for TV connected PC
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