Does Justin Bieber Stress You Out? These Heart-Rate-Monitoring Headphones Can Tell [Headphones]

Biometric devices and personal electronics have increasingly become intertwined over the years, but few have merged the two ideas as seamlessly as these headphones, which can also measure your heart rate. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/y7Nta2Rj-lw/does-justin-bieber-stress-you-out-these-heart+rate+monitoring-headphones-can-tell

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