LOOKEE O2Ring Oxygen Tracker with Notification for Low O2 Level and Heart Rate

Peace of mind on your finger, adjustable vibration feedback for low oxygen level.The lightest, smallest, most comfortable ring sensor for overnight continuous monitoring, durable and adapt to most fingers.Free APP report shows the graphic sleep report and trends of blood oxygen level condition, heart rate and motionRechargeable: 2 hours charging for up to 16 hours usage.

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