![R4 Smart Ring for Men NFC Ring Compatible with iOS Android System, Multi-Function Magic Ring Which Can Simulate IC ID Cards Smart Ring with Smooth Mirror Surface (8#) : Electronics R4 Smart Ring for Men NFC Ring Compatible with iOS Android System, Multi-Function Magic Ring Which Can Simulate IC ID Cards Smart Ring with Smooth Mirror Surface (8#) : Electronics](https://m.media-amazon.com/images/I/612jsftYlzL._AC_SX425_.jpg)
R4 Smart Ring for Men NFC Ring Compatible with iOS Android System, Multi-Function Magic Ring Which Can Simulate IC ID Cards Smart Ring with Smooth Mirror Surface (8#) : Electronics
A new Smart Ring patent from Google hints of using their Soli Radar technology to control mobile devices with Hand Gestures - Patently Apple
![RFID / NFC Smart Ring - Size 12 - NTAG213 : ID 2806 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits RFID / NFC Smart Ring - Size 12 - NTAG213 : ID 2806 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2806-00.jpg)
RFID / NFC Smart Ring - Size 12 - NTAG213 : ID 2806 : $44.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![This wearable smart ring detects cab driver's alcohol levels to keep passengers safe from harm's way - Yanko Design This wearable smart ring detects cab driver's alcohol levels to keep passengers safe from harm's way - Yanko Design](https://www.yankodesign.com/images/design_news/2021/10/this-smart-ring-detects-cab-drivers-bac-levels-to-keep-passengers-safe-from-harms-way/Cue-Smart-Wearable-Ring-by-Risha-Garg-3.jpg)
This wearable smart ring detects cab driver's alcohol levels to keep passengers safe from harm's way - Yanko Design
![smart ring: This smart ring monitors temperature, can detect Covid-19 early even if symptoms are subtle - The Economic Times smart ring: This smart ring monitors temperature, can detect Covid-19 early even if symptoms are subtle - The Economic Times](https://img.etimg.com/thumb/msid-79735016,width-1200,height-900,imgsize-101450,overlay-etpanache/photo.jpg)
smart ring: This smart ring monitors temperature, can detect Covid-19 early even if symptoms are subtle - The Economic Times
![Amazon.com: Smart Ring, NFC Multi-Function Smart Rings Magic Wearable Device Universal for Mobile Phone, Connecte to The Mobile Phone Function Operation and Sharing of Data(11in) : Electronics Amazon.com: Smart Ring, NFC Multi-Function Smart Rings Magic Wearable Device Universal for Mobile Phone, Connecte to The Mobile Phone Function Operation and Sharing of Data(11in) : Electronics](https://m.media-amazon.com/images/I/51d4CDzo7ML.jpg)