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 K400R Wireless Touch Keyboard Built-In Touchpad w USB Receiver 97855074928 | eBay
Review of the Logitech K400r Wireless Keyboard Mouse | VIDEO OVERVIEW - YouTube