MONITOR YOUR HEALTH AT YOUR FINGERTIPS - This oximeter measures blood oxygen saturation and heart rate, allowing you to monitor your physical well-being. ACCURATE and INSTANT RESULTS - Thanks to its advanced chip, you can get accurate data with +/- 2% margin of error. Get reliable results in 8 seconds! FOR ALL AGES - Our device is safe for children and adults. It is practical for heart or respiratory problems, sportsmen, pregnant women or elderly people. COMPACT and PORTABLE - Small and easy to carry, our tester can fit easily into bags and pockets.