Logitech Wireless Touch Keyboard K400 Plus | ConferencingWorks.com
Logitech K400r Wireless Touch Keyboard Black No Receiver | 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
User manual Logitech K400 (English - 2 pages)
Logitech K400 Plus Wireless Touch Keyboard - YouTube