Take context from the input text and decide on the accurate relationship between 'Apple Inc' and 'iPhone 6S' from the options provided.
Options: employer, stock exchange, business division, product/material produced

SAN FRANCISCO, Sept 9 (Reuters) - Apple Inc unveiled the iPhone 6S and 6S plus on Wednesday, the latest iteration of its lucrative smartphone that offers 3D touch, a display technology that responds differently depending on how hard users press their screens.
product/material produced