Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Brushed Silver - (2024)
Ring Size
7Color
Brushed SilverSpecifications
- Operating System CompatibilityApple iOS, AndroidBuilt-in Storage0 gigabytesMetrics MeasuredActivity vs. inactivity, Blood oxygen, Hours slept, Calories burned, Resting heart rateProtective QualitiesWater resistant, Dust resistantMaximum Depth of Water Resistance328 feetBand MaterialTitanium
- Key Specs
- Operating System Compatibility: Apple iOS, Android
- Built-in Storage: 0 gigabytes
- Metrics Measured: Activity vs. inactivity, Blood oxygen, Hours slept, Calories burned, Resting heart rate
- Protective Qualities: Water resistant, Dust resistant
- Maximum Depth of Water Resistance: 328 feet (Measurement of the maximum depth of water in which the product is able to resist some degree of water penetration.)
- Band Material: Titanium
- General
- Brand: Oura
- Model Number: JZ90-54220-07
- Product Name: Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7
- Color: Brushed Silver
- Product Type: Activity tracker
- Form Factor: Ring (The size, arrangement, and physical configuration of the product.)
- Model Family: Oura Ring 4
- Year of Release: 2024
- Design
- Ring Size: 7
- Ring Size System: US
- Display
- Display Screen: false
- Compatibility
- Operating System Compatibility: Apple iOS, Android
- Connectivity
- Wireless Connectivity: Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- Features
- Built-in Storage: 0 gigabytes
- GPS Enabled: false
- Activity
- Metrics Measured: Activity vs. inactivity, Blood oxygen, Hours slept, Calories burned, Resting heart rate
- Performance
- Protective Qualities: Water resistant, Dust resistant
- Maximum Depth of Water Resistance: 328 feet (Measurement of the maximum depth of water in which the product is able to resist some degree of water penetration.)
- Dimensions
- Product Height: 0.7 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 7.9 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Weight: 3.8 ounces (The out of box weight of the item.)
- Product Length: 2.88 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
- Power
- Rechargeable: true
- Charging Interface(s): Wireless (The connection for transmitting power to charge the device.)
- Material
- Band Material: Titanium
- Warranty
- Warranty - Parts: 1 year
- Warranty - Labor: 1 year
- Other
- UPC: 6430060153752
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.
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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.
| Pros for Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Brushed Silver - (2024) | |||
|---|---|---|---|
| Sleep Tracking, Battery Life, Comfort, Design, Overall Performance | There were no pros for this product— | Sleep Tracking, Battery Life, Comfort, Design, Overall Performance | Sleep Tracking, Battery Life, Comfort, Design, Overall Performance |
| Cons for Oura - Ring 4 - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 7 - Brushed Silver - (2024) | |||
| Step Tracking Accuracy | There were no cons for this product— | Step Tracking Accuracy | Step Tracking Accuracy |
Specs
Reviews
Rating 4.7 out of 5 stars with 3964 reviews
Top Mentions
- Sleep Tracking (22)
- Battery Life (9)
- Comfort (8)
- Design (7)
- Overall Performance (6)
- Step Tracking Accuracy (4)
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