http://appleinsider.com/articles/14/02/14/apples-iwatch-rumored-to-use-optoelectronics-to-monitor-heart-rate-blood-oxygen-levels Kind regards, Julien Julien de Salaberry Chief Innovation Officer M SG: +65 9488 7334 M CH: +41 79 610 17 64 E: desalaberry@propellgroup.biz Skype: propell_jdes