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Fashion Men's Ring Magic Wear NFC Smart Ring Finger Digital Ring for Android phones with functional couple stainless steel ring|Rings| - AliExpress
Best smart rings 2023: Top fitness tracking and payment rings - Wareable
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This wearable smart ring detects cab driver's alcohol levels to keep passengers safe from harm's way - Yanko Design
McLear nfc smart ring by AhalayMahalay | 3DOcean
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(7in) : Electronics
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OTVIAP NFC Multi-function Smart Rings Magic Wearable Device Universal for Mobile Phone, Multi-function Smart Ring, NFC Smart Ring - Walmart.com
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Review: Motiv's smart ring is a feat of miniature engineering | Financial Times
A new Smart Ring patent from Google hints of using their Soli Radar technology to control mobile devices with Hand Gestures - Patently Apple
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