EMAY SleepO2 Wrist Pulse Oximeter with Silicone SpO2 Sensor | Bluetooth Sleep Oxygen Monitor Rechargeable for Continuous Blood Oxygen and Heart Rate Tracking | Free App with Overnight Report
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Most lightweight wrist sleep oxygen monitor in the market, it weighs only 20 gram that one can sleep without any hard feelings.
Patented silicone soft probe to wear comfortably with good breathability, never slip off your finger.
Stand-alone sleep oxygen monitor with 48 hours built-in memory that you don’t need a smartphone to make it work. Just wear it to sleep, and take it off to sync after you wake up in the morning

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