WearO2 Blood Oxygen Saturation Monitor with Vibration Alarm and Health Report, Wearable O2 Monitor and Heart Rate Monitor for Fitness, Check Trend on Free Android and iOS App

I was really impressed how its worked, Super designed Oxygen Monitor. Through its ring sensor its monitor your oxygen & heart level. its perfectly fit on your finger to give your accurate result. when your blood oxygen level below then actual limit a smart vibration alarm indicate so you immediately consult doctors. it provides you 16 hours backup when device fully charged. Overall this is the best oxygen monitor to maintain your fitness and make you healthy.

I am using this Blood Oxygen Saturation Monitor to keep a check over my health and fitness matters. Its battery is powerful, and the android app produces outstanding reports to monitor my fitness level. It helps me to watch my Heart Rate as well.