Jabra's wireless earbuds double as heart rate monitors

BERLIN — How much tech can you stuff into tiny, wireless earbuds? Turns out, quite a lot. At the Showstoppers event that's accompanying the IFA show in Berlin, Jabra announced the Elite Sport, a pair of wireless earbuds that can also monitor your heart rate.  The data is transferred to Jabra's smartphone app, which is available for both Android and iOS, but a Jabra rep tells me it can also be used with other sport-tracking apps.  SEE ALSO: The futuristic Lenovo Yoga Book can digi