AVAX 50DL - Finger Pulse Oximeter -% SpO2 (oxygen saturation in the blood) and heart rate monitor with cord and carrying case (in its packaging) - BLUE (Electronics)
NO PROBLEM ON THE APPARATUS. WHEN TAKING MEASURES FOR NOT MOVING FINGER INVOLUNTARILY, IT IS BETTER TO ASK THE. ALSO MUST WAIT A FEW MINUTES FOR THE RESULTS ARE DISPLAYED. THE STRAP POCKET AND ARE VERY WELL. HOWEVER: 2 NOTICES: ONE IN GERMAN AND THE