Repeat: It contains a variety of different sensors alongside a microphone on the top of the gadget that together, can read vital signs, including body temperature, heart rate, blood oxygen level, heart rate variability and pulse wave transit time (PWTT).
It contains a variety of different sensors alongside a microphone on the top of the gadget that together, can read vital signs, including body temperature, heart rate, blood oxygen level, heart rate variability and pulse wave transit time (PWTT).