Vital Signs Tracking via Earbuds to Smartphone
October 14, 2014 | Terry Sharrer
By putting an infrared optical emitter, photodetector and accelerometer into an earbud, a Raleigh, NC company, Valencell, has developed a temperature, respiration and heart rate monitor that may be better than other wearable vital signs tracking devices. The detector measures light scattering off blood vessels in the outer ear. MORE
Image Credit: Valencell and TechnologyReview.com