Wellue O2Ring Finger Blood Oxygen Monitor Tracker with Notification for Low Oxygen Level and Heart Rate, Free APP PC Report for Fitness Monitor and Sleep Insights

Very good product, when I was still picking it in various fingertip monitors, I accidentally discovered your product. Obviously this uses a very unique design and very professional technology, so I can be very comfortable Wear it all night to monitor my heart rate and blood oxygen saturation, don’t worry about slipping from your fingers, the greatest feature is that it will send a vibration to remind me when it is below the limit I set, so that I don’t disturb my lover the situation of my sleep and change my sleeping position, great design and technology, excellent value for money, thank you for your contribution to people

1. Its one of the only device that can store the O2 level for the whole night.2. You can download the data over bluetooth it to their app ViHealth and see the trends.3. Can be programmed to vibrate when you have below x% O2 level.

As described and accurate, the software worries will on my IPhone 12b Pro

I tried it at night and it logs everything in the application and gives vibration alarm if O2 % is low. May reviews on you tube and it works as it should.

Great for measuring breath and heart beats

I love this device :)

Very good quality

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