It is a device that is used for measuring the oxygen level in the blood and heart rate. It is equipped with technology that can detect changes in the blood oxygen level.
It is a very beneficial device for patients suffering from COPD, asthma, hypoxemia, congestive heart failure, and other conditions. Just by clipping it on the fingertip, one will be able to know blood oxygen level.

Dr Trust USA Electronic Supernova Digital Personal Weighing Scale Black
Smart Care Under Arm Crutch SC 925 M 
