3. Bio-sensing earbuds for accurate tracking
Vi’s earbuds house aerospace-grade heart rate sensors (and impressive Harman Kardon speakers). These sensors use motion- and physiology-sensing technology to monitor your temperature and heart rate, the surrounding weather, location, and altitude, and training progress markers like workout frequency, running cadence, and speed. The sensors are stored inside the earbuds, so they can provide more accurate readings than wrist-based sensors—there’s less vascularity and more motion, says Kim B. Blair, Ph.D, the founding director of MIT’s Sports Innovation Program.
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