Given the task definition and input, reply with output. In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The iPhone XS and iPhone XS Max ( pronounced " ten S " and " ten S Max " ) are smartphones sold by Apple Inc .

The iPhone XS and iPhone XS Max ( stylized and marketed as iPhone Xs and iPhone Xs Max ; Roman numeral " X " pronounced " ten " ) are smartphones designed , developed and marketed by Apple Inc .