LiveRowing Concept 2 Connector for Apple Smartphones - Rowing Machine Accessories for Your PM3, PM4, PM5 Erg Machine - Plus Free LiveRowing App - (Cradle NOT Included, for Apple Devices ONLY): Buy
PM3/PM4 Battery Door - Concept2
Concept 2 PM3 Monitor - sold on eBay - YouTube
LiveRowing Concept 2 Connector for Apple Smartphones - Rowing Machine Accessories for Your PM3, PM4, PM5 Erg Machine - Plus Free LiveRowing App - (Cradle NOT Included, for Apple Devices ONLY): Buy