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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.
Wellue O2Ring Oxygen Tracker with Notification for Low O2 Level and Heart Rate Free APP PC Report for Fitness Monitor and Sleep Insights B07T5L57M4