Peice of mind on your finger, adjustable vibration feedback for low oxygen level and irregular heart rate. 
The lghtest, smallest, most comfortable ring sensor for overnight continuous monitoring, durable and adapt to most fingers. 
Free professional APP and PC report shows the graphic sleep report and trends of blood oxygen level condition, heart rate and motion 
Rechargeable: 2 hours charging for up to 14 hours usage. The device runs automatically when you wear it 
You Will Get: 12 month Worry-Free Warranty, Lifetime technical support, Top grade customer service of fast response within 12h. 
 
ViATOM Wearable Oxygen Monitor, WearO2 Rechargeable Blood Oxygen Saturation Monitor with Vibration Alarm & Free O2 Report, Smart Fitness Tracker & Heart Rate Monitor with APP 
Price: $119.99
Wearable Oxygen Monitor: Soft ring sensor makes it comfortable and never goes off from your finger for home daily use. WearO2 don't provide readings during sport. 
Continuous Monitoring for Oxygen level & Heart Rate: Continuously monitoring and recording blood oxygen level, heart rate and motion, continuous using up to16 hours. 
Free APP for Android and iOS: The Vihealth APP shows the graphic report and trends of blood oxygen saturation, heart rate and motion. Data analysis can help you avoid unhealthy conditions and improve your lifestyle. 
Smart Vibration Alarm for Low Blood Oxygen Level: WearO2 can detect changes of O2 level, active a vibration to stir your finger when it detects blood oxygen level drops lower than the threshold, then to prevent a low-oxygen status. WearO2 can not use for sleep breath problems. 
What You Get: Viatom WearO2 Blood Oxygen Saturation Monitor, USB cable, User guide, 1 year worry-free warranty and our friendly customer service.