keyboard - How To Replace Logitech Wireless Unified USB Plug In Ubuntu - Ask Ubuntu
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Logitech K400r Wireless keyboard with trackpad
CM Ultra Thin Silicone Soft Keyboard Cover Skin Compatible with Logitech Wireless Touch Keyboard K400 Plus (Not for Old Version K400 & K400r) (Black) : Electronics
How To Fix Logitech K400r Keyboard (Keys not responding) - YouTube