Oura Cardio Effort: Weekly Load Bands and Automatic VO2 Max
Oura Cardio Effort scores weekly cardio load against a personal baseline, and automatic VO2 Max needs no walking test. How Oura's new training metrics work.
Oura Sues Ultrahuman Again: What It Means for Ring Pro Buyers
Oura sues Ultrahuman over the redesigned Ring Pro with two new patents, one issued two days before filing. What smart ring buyers should know about the fight.
Oura Ring Just Connected to Xella's Women's Health Platform — This Is What Clinical Interpretation of Wearable Data Actually Looks Like
Xella now pulls Oura Ring sleep, HRV, and temperature data into clinical interpretation alongside hormone tests, covering 130+ female-specific conditions.
Oura Health Files for IPO at $16 Billion: What a Smart Ring's Valuation Tells Us About Biometric Data
Oura Health is targeting a $3B raise at a $16B valuation — a 45% jump from 18 months ago — built on a hardware-plus-subscription model that turns sleep and recovery data into recurring revenue.
Sky Labs' CART BP Pro Ring Heads to Europe After 260K+ South Korean Prescriptions
Sky Labs is launching its cuffless blood pressure monitoring ring in Europe and the UK, backed by CE-MDR certification and a 260,000+ prescription track record in South Korea.
Oura Ring 5: The Smallest Smart Ring Gets Serious About Health Data
Oura Ring 5 launches 40% smaller with a month-long charging case, blood pressure signal detection, and GLP-1 medication insights. What's genuinely new and who the upgrade makes sense for.
Oura Ring 5: The World's Smallest Smart Ring Adds Blood Pressure Signals and GLP-1 Insights
Oura Ring 5 launches 40% smaller than its predecessor with rebuilt sensors, blood pressure monitoring signals, and a portable charging case. Here's what's new and who the upgrade makes sense for.
Sky Labs CART: A Cuffless BP Ring With Real Regulatory Approval
Sky Labs' CART ring cleared UK MHRA and EU CE-MDR after 1,700 Korean hospitals and 150,000 prescriptions. What cuffless 24-hour BP monitoring actually requires.
ŌURA's Acquisition Strategy: Building a Health AI Stack From Ring to Medical Records
Oura has acquired five companies since 2023 — gesture control, metabolic data, performance analytics, and now clinical records across 800+ healthcare systems. The pattern reveals a deliberate platform strategy.
Longevity Quotient: When a Clinical Score Meets Continuous Wearable Data
Agentis Longevity integrates Ultrahuman's Ring AIR and M1 CGM into its Longevity Quotient — giving a five-component clinical score a real-time wearable data layer.
Ultrahuman Wearables Now Power a Living Longevity Score
Agentis and Ultrahuman link real-time ring and CGM data to the Longevity Quotient — a living composite score that tracks where your health trajectory is heading.
Oura Ring 4 vs Eight Sleep Pod 5: The Recovery Architecture Duel
A technical comparison of wearable versus environmental recovery systems for high-performance human architecture.