What is a smart ring? An introduction to tech-laden jewelry | TechRadar
Amazon.com: Smart Ring, No Charge and Depth Waterproof Universal Wear Smart Ring, Magic Wearable Device Universal Ring for Mobile Phone, NFC Smart Rings(size11) : Electronics
Are smart rings a better form of wearable tech? | Download This Show - YouTube
קנו איביי | SI TECH - Stiff Ring (PU Ring Set - Suit Side) & Rubber Ring Set (Glove Side)
Dora Rings | Finest Wedding Rings in the United States
A new Smart Ring patent from Google hints of using their Soli Radar technology to control mobile devices with Hand Gestures - Patently Apple