HP 724720-081 is a USB keyboard designated for use in Denmark. It provides a familiar way to enter text and commands on a computer, with a regional version suited to Danish use.
The USB connection links it to a compatible computer through its USB port. The HP service guide identifies this exact part number as the Danish-use keyboard variant, distinguishing it from other regional versions in the same parts listing.
This is a straightforward choice when replacing a keyboard with the same HP part reference or setting up a computer for Danish keyboard use.