Wello is a health tracker that comes in the form of smartphone case
This smartphone case can measure heart rate, temperature, blood pressure, electrocardiography (ECG), blood oxygenation, lung functions and more.
Azoi
Azoi is the company behind the Wello health tracker that doubles as a phone cover. It works by simply holding the phone with hidden sensors testing your vitals and sending the information back to the Wello app.