Fujitsu plans for the invention in the course of practice, so that people at work or at home, to stay healthy and keep the collection of data for analysis without the use of special devices.
Your Smartphone uses to measure changes in the brightness of the face of a person because blood circulation, told the Straits Times.
The researchers say that absorbed a number of small blood vessels in the face, the eyes of the hemoglobin are green.
Hemoglobin is a protein in red blood cells, which contain iron and oxygen found.