O2Ring? Continuous Ring Oxygen Monitor x2

• A smart ring oxygen monitor,?tracks your blood oxygen level, heart rate, and body movements every second automatically and accurately.
• Silent vibration alarm?alerts you immediately when low oxygen, low heart rate, or high heart rate are detected.?
• Record data and store long-term trends?on your phone, tablet, laptop, and desktop for free.
• Print and share?four-second interval, high-resolution oximetry reports?with your doctor, bringing great help for a sleep study.?
• No more oppression, the soft silicone material makes it?comfortable to wear overnight.
• USB rechargeable,?one fully charged battery can last?for two nights.

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