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A Brazilian ANATEL certification filing lists 10 unannounced Garmin products with nearly identical model numbers, differing mainly by a single letter prefix. This pattern mirrors a similar Indonesian filing last month for a 'CIRQA Smart Ring' that was later removed from public view. The number and structure of variants suggest Garmin is preparing multiple sizes of a wearable device rather than a smartwatch.
Oura has acknowledged in SEC paperwork filed ahead of its IPO that some Ring 4 units suffered battery performance problems, which contributed to an $84.4 million rise in warranty expenses during fiscal 2025. The company replaced affected rings free of charge, sometimes even after the standard one-year warranty had lapsed. Oura has not specified which production batches were affected.
Smart ring maker Oura has filed publicly with the SEC to go public, revealing revenue jumped from $697 million to $1.2 billion in the nine months ending June 30 compared to a year earlier. The company reports selling 3.6 million rings over the past year and now has roughly 5 million paid subscribers, with an 85% annual membership retention rate.
Smart-ring maker Oura revealed financial details as part of its move toward going public, showing it has become profitable. The company reported 74% revenue growth for the nine months ending in June compared with the prior year.
Ultrahuman, a rival to Oura in the smart ring market, secured $70 million from investors including Qualcomm Ventures, Labcorp, Alpha Wave and Blume to fund development of next-generation AI wearables. The company plans to use the funding to advance sensing, materials, electronics and algorithms, and is exploring a future ring that could work with devices like Meta's smart glasses for gesture control, according to chief business officer Bhuvan Srinivasan.
Circular introduced its Ring 3 lineup, split into a feature-rich Pro model and a lighter Slim version, both equipped with NFC chips for contactless payments and vibration-based alerts for alarms and reminders. The Pro adds FDA-cleared ECG for Afib detection, blood pressure trend tracking, glucose tracking and deeper sleep analysis with up to 12 days of battery, while the Slim focuses on core metrics like heart rate, HRV, SpO2 and skin temperature with up to 10 days of battery.
Circular unveiled its Series 3 smart ring at IFA, adding NFC payments compatible with Visa and MasterCard alongside a returning vibration motor for silent alerts. The lineup splits into the fully-featured Ring 3 Pro, with ECG and haptics, and the slimmer, lighter Ring 3 Slim that drops those features. Battery life nearly doubles to 12 days, and both models ship with a 700mAh charging case.
Circular debuted two new smart rings at IFA, the Ring 3 Pro and Ring 3 Slim, both featuring built-in NFC for contactless payments via supported Visa or Mastercard cards—a capability absent from Oura and Samsung's Galaxy Ring. The Pro adds FDA-cleared ECG, blood-pressure monitoring, and a bigger battery lasting up to 12 days, while the Slim is lighter and thinner but caps battery life at 10 days. Pricing and availability have not been disclosed.
Circular has launched its Ring 3 series, succeeding last year's Ring 2, in two versions: a titanium Pro model retaining ECG-based AFib detection, and a lighter Slim model using biocompatible epoxy but lacking ECG tracking. Both rings add vibrating alerts for alarms and reminders and an NFC chip enabling contactless payments directly from the ring.
A threat actor dubbed Spring Ring is running voice-phishing campaigns against Microsoft Teams users, tricking victims into granting remote access to their sessions. Once inside, attackers use that foothold to deploy malware and attempt to seize control of broader organizational infrastructure.
At IFA in Berlin, Paris-based Circular unveiled the Ring 3 Pro and Ring 3 Slim, adding contactless payment support and the return of haptic vibration alerts to its smart ring lineup. The rings retain Circular's FDA-cleared ECG and AFib detection while adding new wellness features like blood pressure trends, glucose trend estimates and expanded sleep metrics.
Oura is extending its Menopause Impact Scale, a self-reported questionnaire it launched in May that measures how menopause symptoms affect quality of life, beyond its own app. Ten partners—including Alloy Health, Gennev, Wisp, Pomelo, Maven, Tia, Xella, Oova, Mira and Hertility—will now integrate the scoring tool into their care and tracking services. The scale evaluates 22 symptoms across seven categories such as sleep, cognition, body image and hot flashes, and results can be exported as a PDF to share with providers.