Free Flashlight with LED light, can measure blood pressure, heart rate, oxygen.
Free Flashlight is free, simple flashlight app with super bright LED light, and can measure blood pressure, heart rate, SpO2 by camera LED light.
Flashlight features:
► Small size
► Free
► The brightest, fastest, and most handy LED flashlight!
► The Flashlight takes full advantage of the LED light!
► Most elegant design and the fastest startup
► Health check by camera LED light
► Blood pressure measurement by flashlight
► Heart rate measurement by flashlight
► SpO2 measurement by flashlight
With the flashlight as a light source, put your finger lightly on the camera,then 4Free can capture the pulse of the blood capillary.
Collected by a photoelectric pulse wave signal stability, 4Free Health could get heart rate, blood pressure, blood lipids, blood oxygen and other physical parameters of the pulse wave analysis.