Here is a smart wearable device that sits on your wrist and monitors blood oxygen saturation level. The ViATOM Blood Oxygen Saturation Monitor has a soft silicone ring sensor that is comfortable to wear. It also features adjustable vibration that wakes you up with a nudge when your blood oxygen saturation falls below your defined level.
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The free PC software lets you export sleep reports in CSV and PDF format. The device is USB rechargeable and lasts 16 hours.
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