About: http://webisa.webdatacommons.org/116851756

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 overcomes the above-described and other problems and disadvantages in the prior art with a portable apparatus providing both substantially automated performance monitoring and audio entertainment features.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com