Ahead of Apple: Russian-Canadian startup launches connected watch to measure and manage stress

Last month Darta Systems, a Russian-Canadian biomedical startup, launched the Emvio Watch, a gadget that “measures stress and makes everyday stress management easier ” In contrast to ordinary fitness bands, the device lets users know when they overreact to such negative situations as disagreements with people, waiting in line or bad news.


According to its maker, the device uses heart rate variability (HRV, or the time interval between pulses), super sensitive optical sensors, and a proprietary algorithm to calculate stress levels all day.


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