
iCare Oxygen Monitor Pro could measure your blood oxygen by only mobile, and the error of plus or minus 2 or less.User Guide:1. Pressing the screen with your finger.2. Put your index finger on the back of your cell phone camera head to ensure that they are completely covered.3. Hold this position until the test is complete.Key features:1. Only by mobile, without any other device.2. Very easy to us...
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