Logitech K400R Wireless Touch Keyboard with Touchpad (NO RECEIVER) (FRENCH CH... 97855074928 | eBay
Solved - Awesome Logitech K400r wireless keyboad with touch pad lost his dongle | Tech Support Guy
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
How To Fix Logitech K400r Keyboard (Keys not responding) - YouTube
Logitech Wireless Touch Keyboard K400r - electronics - by owner - sale - craigslist
How To Fix Logitech K400r Keyboard (Keys not responding) - YouTube
FIXED: Logitech Wireless Keyboard Not Working - YouTube
Amazon.com: CM Ultra Thin Silicone Soft Keyboard Cover Skin Compatible with Logitech Wireless Touch Keyboard K400 Plus (Not for Old Version K400 & K400r) (Black) : Electronics
User manual Logitech K400 (English - 2 pages)
keyboard - How To Replace Logitech Wireless Unified USB Plug In Ubuntu - Ask Ubuntu