A listing by Android Authority with the “OA11” model number seen The listing has revealed a variant of the ring, which is believed to be Oura Ring 4. Although this model is yet to be confirmed by the company, its name is clearly written as Oura Ring 4 in the certification documents. At the same time, there is another variant with the model number “OA12”, which could be a design variant of the ring. This listing also includes pictures of the fitness tracking ring. Although it looks similar to almost all the traditional fitness tracking rings available in the market, but on closer inspection, some changes can be seen in it compared to Oura Ring 3.
Oura Ring 4 has a slightly raised center portion with a distinct gradation towards the edges. It appears to be made of metal. There are several sensors fitted inside. There are some changes in the sensor layout compared to the Ring 3. However, there is no information available about the exact sensor name and technology. Of course, like the Ring 3, it is also likely to include temperature, heart rate and SpO2 monitoring sensors.
It is being said that the ring has been tested in sizes 7, 9, 13 and 15. However, it would not be appropriate to say right now how many of these sizes will actually be launched. As we said, this upcoming ring model has not yet been officially confirmed by Oura. However, the certification shows that preparations for its launch are in full swing.