How does this smart ring works

[upup]

Does this ring actually works.

https://www.aliexpress.com/item/Jak...762523042.html?spm=2114.40010208.4.190.cdF8mV

I don't want it, but just wonder how it work.

The video on the link does not work.

 

[ponder]

youtube or google "nfc ring" or "nfc tags", example http://electronics.howstuffworks.com/nfc-tag.htm

 

[hellfire]

Does this ring actually works.

https://www.aliexpress.com/item/Jak...762523042.html?spm=2114.40010208.4.190.cdF8mV

I don't want it, but just wonder how it work.

The video on the link does not work.

Looks like it's got NFC.

 

[kayvee]

Snake oil

Just a super expensive NFC tag...

 

[swift412]

I love reading all the nonsense copy they write up about these things

All materials extract from natural mineral ,so that can release more pure Far infrared ray , Sacarlar Energy and negative ions .
Effectively improves "Krebs Cycle" ,Thus improves Energy , Endurance and Strength ;
It also can help peploe effective resist the electromagnetic wave from computer ,phone or electrical appliance.

 

[kayvee]

Yup, all utter BS