Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.
Q: Can this ring monitor my heart's health?
A: Yes, this ring helps you take care of your heart by monitoring heart rate and HRV.
Q: How long does the battery last on this ring?
A: The battery lasts up to 8 days on this ring.
Q: How long does the battery last on this ring?
A: The battery lasts up to 8 days on this ring.
Q: Are there different language options available on the app?
A: Yes, the app is available in multiple languages including English, Finnish, and Japanese.
Q: Can this ring measure my heart rate?
A: Yes, this ring monitors daily heart rate and HRV.
Q: Does this ring measure activity levels?
A: Yes, this ring tracks daily activity, steps, and calories burned.
Q: Is there a monthly membership fee?
A: Yes, there is a monthly membership fee of $5.99 after the first month.
Q: Does this ring help me understand my stress levels?
A: Yes, this ring helps identify signs of stress and understand how your body handles it.

Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.

Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.

Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.

Meet quatix 8 — the ultimate nautical smartwatch built for captains and those who feel at home on the water. It features a bright 1.4” AMOLED display with a scratch-resistant sapphire lens, durable titanium bezel and powerful LED flashlight. Use the built-in speaker and mic to control your compatible chartplotter via BLUETOOTH connectivity or for on-wrist calling when paired to your smartphone. Seamlessly control your Force trolling motors, Fusion stereos, autopilots and compatible Garmin chartplotters from your wrist while keeping an eye on data streamed from your onboard system. Go below the surface with a 40-meter dive rating, leakproof buttons and support for scuba and apnea diving plus activity tracking for 100+ indoor and outdoor sports. Get more out of your time on the water with the preloaded boating and sailing apps. Prepare your body for the helm and beyond with performance insights that help you manage your exertion and build stamina while training readiness features show how much recovery time you need between workouts. Enjoy extended adventures at sea with up to 29 days of battery life in smartwatch mode.
| Pros for Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 4 - Rose Gold - (2024) | |||
|---|---|---|---|
| Sleep Tracking, Battery Life, Comfort, Overall Performance, Design | Sleep Tracking, Battery Life, Comfort, Overall Performance, Design | Sleep Tracking, Battery Life, Comfort, Overall Performance, Design | There were no pros for this product— |
| Cons for Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 4 - Rose Gold - (2024) | |||
| Size | Size | Size | There were no cons for this product— |
Rating 4.7 out of 5 stars with 3892 reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.