NFC Ring Control - Apps on Google Play

NFC Smart Ring, NFC Multi-Function Smart Rings Magic Wearable Device for Mobile Phone, 6/7/8/9/10/11/12/13 inch Optional(8inch) : Electronics

NFC smart ring. cheap technology, Chinese tech

NFC Ring Control – Apps on Google Play

Tuya Smart - Apps on Google Play

A new Smart Ring patent from Google hints of using their Soli Radar technology to control mobile devices with Hand Gestures - Patently Apple

NexRing - Smart Ring with NFC - Apps on Google Play

NFC ring comparison - Smart Ring News

The Latest Oura Ring: Specs, Review, and FAQs

NFC Ring Control for Android - Download the APK from Uptodown

NFC smart ring. cheap technology, Chinese tech