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Amazon.com: KontrolFreek Precision Rings | Aim Assist Motion Control for PlayStation 4 (PS4), Xbox One, Switch Pro & Scuf Controller (Black/Purple) : Video Games
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This tiny smart ring lets you remotely control your smartphone without taking it out of your pocket - Yanko Design
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This tiny smart ring lets you remotely control your smartphone without taking it out of your pocket - Yanko Design
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