iCare Oxygen Monitor-measure your blood oxygen (SpO2) only by smartphone

Liekui Yang , the publisher behind many iOS app (体检宝手环测心率血压睡眠 ,iCare Respiratory Rate-measure your respiratory rate only by smartphone! ,iCare Eye Test-could test your vision and color blindness only by mobile! ,iCare Heart Rate Monitor-could measure your continuous heart rate in real-time! ,iCare Oxygen Monitor Pro-measure your blood oxygen (SpO2) only by smartphone! ,iCare Lung Capacity-test your lung capacity and improve it by microphone!), brings iCare Oxygen Monitor-measure your blood oxygen (SpO2) only by smartphone with a number of new features along with the usual bug fixes. iCare Oxygen Monitor-measure your blood oxygen (SpO2) only by smartphone app has been update to version 2.9.0 with several major changes and improvements. App release that improves performance, provides several new options.