What is the full model number of this unit? Need to know to figure out what active stylus to get according to this page: https://support.hp.com/emea_middle_east-en/document/c05166879
What is the full model number of this unit? Need to know to figure out what active stylus to get according to this page: https://support.hp.com/emea_middle_east-en/document/c05166879