With the launch of the Samsung Galaxy Ring, we've got a brand new contender for our best smart rings list – but the biggest name in the space has an upgrade of its own in the pipeline, and we've just got our first glimpse of the Oura Ring 4.
This leak comes from Android Authority, and consists of certification documents necessary for the device to go on sale. Images of the wearable are included, and it looks like Oura is sticking with its familiar flat and smooth look.
