Designed to feel refined and 40% smaller than the previous generation. Made to move with you, every day.
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Auro Ring 5 vs Auro Ring 4+
Auro Ring 5 introduces a lighter, slimmer profile with updated internal sensing and tracking technology. Auro Ring 4 keeps the core wellness experience in the previous-generation design.
Sizing Guide+
Let's find your perfect size
Size guide
1. Measure the internal diameter of a ring that fits the desired finger
Ensure your ruler starts at the 0mm mark.
2. Use the table below to determine your ring size.
| Internal Diameter (mm) ↗ | Size |
|---|---|
| 15.7mm | 5 |
| 16.5mm | 6 |
| 17.3mm | 7 |
| 18.1mm | 8 |
| 18.9mm | 9 |
| 19.8mm | 10 |
| 20.6mm | 11 |
| 21.4mm | 12 |
| 22.2mm | 13 |
What comes with AuroCare+ Lifetime Warranty?+
Every Auro Ring includes standard 30-day coverage for manufacturing defects. The optional lifetime upgrade extends eligible protection for hardware malfunctions and covered internal-component failures, with priority support.
Is there a subscription for Auro Ring?+
No. The Auro app and its core health insights are included with your purchase, without a recurring monthly subscription.
Shipping Information+
Shipping estimates, available delivery methods, and return eligibility are confirmed during checkout.
Designed around you
Big changes
start small
Designed to feel refined and 40% smaller than the previous generation. Made to move with you, every day.
Track 50+ health metrics across sleep, activity and recovery for a clearer view of your daily patterns.
6–9 days of battery life. Spend less time charging and more time wearing Auro Ring throughout your routine.
Your body talks, Auro translates
Auro Membership brings your sleep, activity and recovery views together in one calm mobile experience, helping you see how daily patterns connect inside the Auro App.
♡Heart Health
◔Sleep & Rest
♨Activity & Movement
≋Stress
◒Women’s Health
⌁Metabolic
Auro Ring 5
Not all change is loud.
New Look, New Feel, New Insights
Daily health trends at a glance. Bring sleep, activity, recovery and your daily patterns together in one clear Auro view.
Comfort made for every day. A smaller, refined profile is designed to move naturally from morning routines to overnight wear.
Six finishes to match your style. Choose Silver, Black, Stealth, Brushed Silver, Gold or Deep Rose to fit the way you wear Auro.
Where Look, Feel, and Insights Come Together
Scroll inside each phone to explore the full screen.
What's Included
Ready from day one.
- 01Auro Ring 5
- 02Size-specific standard charger
- 03USB-C cable
Technical Specifications
The details
Sensors−
Red, infrared and green LEDs; temperature sensors; accelerometer.
Size & weight+
6.09 mm wide, 2.28 mm thick, starting at 2 grams.
Battery+
6–9 days; full charge in up to 80 minutes.
Materials+
High-performance titanium, inside and out.
Water resistance+
Water resistance up to 100 m / 328 ft and IP68.
Connectivity+
Bluetooth Low Energy, firmware updates and airplane mode.