Over the past few years, it’s clear that wearable makers are setting their sights beyond heart rate tracking. More smartwatches and fitness trackers sport SpO2 sensors, for example, as a means of either monitoring for sleep apnea or keeping tabs on stress. But if there’s one ailment most wearable companies are stumped…
Source: Gizmodo – Your Earbuds May Soon Be Able to Track Your Blood Pressure