In any case, here’s the ring, and the box it came in: But ultimately, that’s the trickiness to this specific form factor, sorta like some of the shoe insole-based running technologies that are specific to a certain shoe size. But I could see perhaps being about 1mm smaller for slightly better fit, accuracy-wise. Meanwhile, this size is good, and won’t easily slide off my finger. I think in all actuality I’m probably halfway in between this size and the next smallest size, but the next smallest size was simply far too tight. The sizing kit is simply a collection of dummy rings without any tech in them. That’s because, unlike a watch or wristband that’s adjustable, the ring needs to be very specifically sized to your finger. The first thing to know about the new ring is that the sizing has changed slightly for it, and thus, there’s a new sizing kit. An example here being the SpO2 tracking – whereby those Red LED’s are in the ring today, but won’t be enabled till 2022, where they’ll start providing blood oxygen tracking. This seems to be the pattern du jour lately, with Fitbit doing the same thing on products both this year and last year. Now as you can see, this is clearly a case of Oura launching a product now with the sensors it needs to add the promised features later. – “Improved” sleep stages algorithm (coming in 2022) – Adding some 50 videos “science-backed videos” on understanding all this data (coming later 2021) Meanwhile, on the software/platform side, you’ve got: – Water-resistance claim at 100m, including saunas and ice baths – Ring size stays the same as Gen 2, but is 67% smaller than Gen 1 – Increased internal memory from 0.5MB to 16MB – Changed temperature sensor system for higher accuracy Green for workout, red for SpO2, infrared for night tracking – Significant increase in LEDs: From just infrared LED to green, red & infrared LEDs. ![]() – Adding workout heart rate tracking (coming later 2021) – Added daytime/semi-real-time heart rate tracking – Adding of SpO2 (Blood Oxygen) tracking (coming in 2022) Starting with the hardware side, there’s the following changes: Together, both require a subscription now for Gen 3 devices. The new Gen 3 unit changes physically to include new sensors, as well as additional platform changes that are more software-focused features. As usual, I don’t take any money/etc from any companies I review – just the way I roll. This is a media loaner from Oura, but it’ll go back to them down the road. Point being, circle back sometime down the road. Though, there are no limitations/embargos on what I can discuss (I’d never agree to that). Plus, Oura has an embargo on things titled ‘review’ until Nov 15th. As regular readers know, reviews have the word ‘review’ in the title, and more specifically also tend to have longer periods of data collection – especially for a device like this that really needs more data for trending. Existing Oura Gen 2 owners don’t need to subscribe to see their existing stats/features, but they won’t get any new features going forward – those will be reserved for Gen 3 ring owners and more specifically, subscribers. Now, however, you have to both buy the ring as well as pay $6/month for their subscription service. Previously you’d buy the ring and get the software platform for free. ![]() However, the V3 version also changes Oura’s business model a bit. The new Gen 3 version adds in SpO2 sensing, period prediction, workout tracking, and daytime heart rate tracking, using both new sensors as well as new software features. It does this using small sensors on the inside of the ring band, inclusive of heart rate tracking. And then based on that, will give you a readiness score each day. ![]() For those not familiar, the Oura Ring aims to track your daily activity, as well as nightly sleep. Earlier this week Oura announced their new Oura Ring 3, both an upgrade in hardware as well as a shift in business models.
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