Apple has filed a patent for a single smart ring, or even a combination of multiple smart rings, that can be used to control interfaces and work seamlessly with several other Apple devices, according to Patently Apple.
Several smart rings are on the market at the moment that tracks your sleep and activity levels - take a look at our Oura Gen-3 review for a good example. But this latest smart ring invention from Apple isn’t about tracking, but instead acts as an input.
