Rumor has it that Apple's so-called iWatch will be capable of reading your blood pressure, heart rate and other vital signs. But you may not have to wait until its release to purchase such a device. Meet the 'Wello,' the all-in-one health-tracking iPhone case.
The Wello has built-in sensors that can give you a picture of your overall health after holding it for just a few seconds. It measures heart rate, blood pressure, temperature, and blood oxygen levels—and can even test your lung function via a small attachment...