About: http://webisa.webdatacommons.org/440124532

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	While our report mainly focused on the Headset or Goggles aspect, the fact is that Apple also considers headphones as being another form of the portable media device in respect to media in the form of audio.
http://www.w3.org/ns/prov#wasQuotedFrom	patentlyapple.com