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.
Buy on Amazon
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Shipping options
Russia
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| Brand | Ultrahuman | CNBRO | Shenzhen Yawell Intelligent Technology Co.,Ltd | Kuinha | Generic | BANGALORE |
| Model | RA-RT-Size14-US | JYR10PFS | R06 | AIR-Smart Ring | R08 | VR12 |
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| Price | $349.00 | $45.39 | $39.99 | $9.99 | $42.99 | $39.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Jun 27, 2025 | Dec 6, 2025 | Feb 7, 2026 | Dec 6, 2025 | Dec 6, 2025 | Jun 27, 2025 |
| Package Dimensions | 0.39 x 0.39 x 0.39 inches | 4.02 x 3.11 x 1.26 inches | 5.04 x 5 x 0.87 inches | 2.99 x 2.95 x 1.73 inches | 3.94 x 3.74 x 1.3 inches | |
| Item Weight | 3.52 ounces | 2.39 ounces | 22.7 Grams | 3.85 Ounces | 3.84 ounces | |
| batteries | 1 Lithium Metal batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 AAA batteries required. (included) | 1 9V batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |
| Date First Available | March 21, 2025 | April 7, 2025 | January 20, 2025 | March 30, 2025 | ||
| Country of Origin | China | China | China | China | China | |
| Standing Screen Display Size | 0.8 Centimeters | 1 Inches | 0.1 Inches | |||
