One practical issue matters before anything else, particularly for existing RingConn owners: the Gen 3 uses a different sizing system than the Gen 2, so a new sizing kit is required before ordering. The return policy excludes sizing kits, according to the RingConn product page. Order the wrong size and the return window won't cover it.

The ring is available in sizes 6 through 15, five color options, and weighs between 2.5 and 3.5 grams depending on size. It carries an IP68 and 10ATM water resistance rating, tested to a static depth equivalent to 100 meters, per the RingConn product page.

Compatibility covers iOS 17 or later and Android 10 or later. The ring syncs with both Apple Health and Google Health Connect, per the RingConn product page. U.S. delivery is estimated at three to five business days after shipment.

The battery story is where early reviews have focused, and the numbers hold up. RingConn rates the Gen 3 at up to 14 days per charge with haptics off, against the seven-day estimate Samsung quotes for the Galaxy Ring, Trusted Reviews reported today. In hands-on testing, Lifehacker got 17 days on a single charge, compared to 11 days from the Gen 2 in the same reviewer's prior testing. Enabling the haptic motor brings that down to 10 to 12 days, according to the RingConn product page, though that still clears Samsung's benchmark.

The ring charges fully in about 90 minutes; the charging case takes about 120 minutes, per the RingConn product page. RingConn says the ring and case together can sustain over 150 days of combined use, per Lifehacker.

On price, the comparison cuts differently depending on which rival you use as the baseline. Against Oura, the value case is clear: Oura starts at $349 for the ring alone, adds a $5.99 monthly subscription for health data access, and does not include a charging case, according to Lifehacker. The RingConn Gen 3 at $314 pre-order includes the case and no subscription. Against the Galaxy Ring, the picture is less clean: Samsung's ring is currently $299 with a case and no subscription, per Lifehacker, putting it $15 below RingConn's pre-order price.

For Android users already invested in Samsung Health, the Galaxy Ring is probably the more natural fit, as Lifehacker noted. The Gen 3's case for cross-platform buyers is battery endurance and platform flexibility: it works equally on iOS and Android without tying health data to either company's ecosystem.

The Gen 3's most-promoted new capability is also the one with the most unresolved questions. When the ring was announced, RingConn marketed it under "blood pressure insights." By launch, the company had shifted the language to "vascular health insights," a change Lifehacker noticed without receiving a clear explanation for.

The distinction matters. What the feature currently does, per the RingConn product page, is track trends in what the company calls "vascular load" over time. It does not provide discrete blood pressure readings. RingConn is explicit that the product is not a medical device and does not perform blood pressure measurement or medical diagnosis. Separately, Trusted Reviews reported that a dedicated blood pressure tracking feature is planned but not available at launch, arriving instead in a future update. The relationship between that planned feature and the current vascular load tracking isn't spelled out in available materials, which leaves some ambiguity about whether these are the same feature under revised branding or distinct capabilities on different timelines.

Setup in testing required taking a reading with a traditional blood pressure cuff, manually entering the number into the app, holding still while the ring established its own baseline, and then completing two additional calibrations at different times of day, per Lifehacker. The feature also isn't live in the main app at launch, per Trusted Reviews. Buyers won't be able to assess it from day one.

The vibration motor is a less complicated story. It's an unusual addition for a smart ring, per Trusted Reviews, and delivers gentle buzz alerts for sedentary reminders, low battery warnings, and health notifications from the RingConn app. It does not relay phone calls, texts, or third-party app alerts, by design, according to the RingConn product page. The scope is narrow but intentional.

The RingConn Gen 3 health tracking capabilities are well established on the core metrics: heart rate, blood oxygen, HRV, respiratory rate, skin temperature, sleep stages, and sleep apnea risk indicators, per the RingConn product page. One reviewer found heart rate accuracy improved over the Gen 2, though that's a single tester's observation, Lifehacker noted. The step up from the Gen 2, per Lifehacker, costs $50 more at retail and adds haptic alerts, the vascular load feature, and modestly longer battery life.

What remains unresolved at launch is the vascular capability, including when the full feature arrives in the main app, what the final terminology settles on, and whether independent reviewers find the trend data meaningful after extended use. The pre-order window closes May 28. Rings ship May 29, alongside the full app release, per the RingConn product page.