Comes with Logitech USB dingle. Tested working with Windows 11.

The Logitech K400 Plus keyboard is a wireless keyboard with a built-in touchpad and trackball. It has enhanced function keys and is foldable for easy storage. The keyboard is in a standard QWERTY layout and is black in color. It can be connected via Bluetooth, PS/2, infrared, RF, lightning, or parallel (IEEE 1284). The keyboard language is English and it comes with a California Prop 65 warning.