Number of batteries (keyboard)
Keyboard dimensions (WxDxH)
Windows operating systems supported
Number of products included
Wireless receiver interface
Keyboard keys operating life
General Product Safety Regulation (GPSR) URL
https://support.hp.com/gb-en/product/setup-user-guides/hp-officejet-250-mobile-all-in-one-printer-series/model/5156320?sku=CZ992A&serialnumber=CZ992A