About: http://webisa.webdatacommons.org/370116131

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	It also states you might want to move the speaker around until you find the solution that works for you so using Velcro is a good idea to affix it to the inside of your helmet.
http://www.w3.org/ns/prov#wasQuotedFrom	webbikeworld.com