About: http://webisa.webdatacommons.org/269220871

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	One manufacturer has tried to address this issue by making the device vibrate in the chest when the battery is getting low.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com