Cheap Pulse Oximeter Unboxing & Testing 

I bought this cheap pulse oximeter and I tried it out to see if it really works. I kept my breath two times to see if the pulse slows down and move back up when starting breathing again :)
Here are some links where you can find a similar cheap oximeter:
Amazon: amzn.to/3ne6OZr
AliExpress: s.click.aliexpress.com/e/_A7ieOn

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