Ultrahuman RA-RT-Size14-US Smart Ring Health Tracker: Comprehensive health tracking
For the active individual seeking deeper health insights beyond steps and calories, the Ultrahuman Ring AIR offers a discreet way to monitor your body's signals throughout the day. Imagine checking your stress rhythm score after a hectic meeting to decide if you need a walk or a break, rather than guessing how you feel.
This smart ring tracks sleep stages, heart rate variability, and women's health metrics like ovulation with biomarker precision, all without a subscription. The titanium build feels barely there during workouts or sleep, and the included sizing kit ensures a snug fit to avoid inaccurate readings. You get actionable nudges—like when to limit caffeine for better sleep—based on your personal data, helping you make small, informed changes for long-term wellness.
Features
- Advanced sleep tracking
- Women's health insights
- No subscription required
- Stress rhythm score
- Water-resistant up to 328 feet
- HSA/FSA eligible
- Lightweight and durable
- Comprehensive health tracking
General specs
- Brand: Ultrahuman
- Model: RA-RT-Size14-US
- Seller: Amazon
- ID: B0D9B477MY
- Size: 8
- Material: Titanium
- First listed by seller: 4/17/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
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|---|---|---|---|---|---|---|
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POBOVi Gen 1 Black No app subscription fees
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Oulencu 24OL-NVSR Gold Sleep tracking with detailed stages
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ganopterygon L70 Black Bluetooth calling and message reading
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Ultrahuman RA-RT-Size14-US Matte Grey Comprehensive health tracking
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SEEKZERO Smart Ring Gold All-in-one health and activity tracking
|
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| Brand | Ultrahuman | POBOVi | Oulencu | ganopterygon | Ultrahuman | SEEKZERO |
| Model | RA-RT-Size14-US | Gen 1 | 24OL-NVSR | L70 | RA-RT-Size14-US | Smart Ring |
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| Price | $349.00 | $99.99 | $104.49 | $19.99 | $349.00 | $129.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 27, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | September 1, 2025 | December 6, 2025 |
| Size | 8 | 10 | 13 | 5 | 8 | |
| Material | Titanium | Titanium | Titanium | |||
| Battery Life | 7 d | 6, 7 | 7 | 7-10 days | ||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||