About: http://webisa.webdatacommons.org/376106469

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	The present invention relates to portable audio output devices used by being placed on a user's ear, such as an earphone and a headset, and more particularly to techniques for improving the stability of placement on a user's ear.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com