Ultrahuman RA-RT-Size14-US Smart Ring Health Tracker: Comprehensive health tracking
- Advanced sleep tracking
- Women's health insights
- Stress rhythm score
- HSA/FSA eligible
- Minimal form factor & durability
- Comprehensive health tracking
General specs
- Brand: Ultrahuman
- Model: RA-RT-Size14-US
- Seller: Amazon
- package_dimensions: 8.62 x 6.77 x 3.19 inches
- item_weight: 3.7 Grams
- batteries: 1 Lithium Polymer batteries required. (included)
- memory_storage_capacity: 0.5 MB
- water_resistance: 100m
- First listed by seller: 8/5/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
This item | Recommendations | |||||
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![]() Ultrahuman RA-RT-Size14-US Comprehensive health tracking
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Ultrahuman RA-RT-Size14-US Comprehensive health tracking
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![]() Ultrahuman RA-RT-Size14-US
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Ultrahuman RA-RT-Size14-US Comprehensive health tracking
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![]() Ultrahuman RA-RT-Size14-US Comprehensive Health Tracking
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![]() Ultrahuman Ring AIR Comprehensive health tracking
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Brand | Ultrahuman | Ultrahuman | Ultrahuman | Ultrahuman | Ultrahuman | Ultrahuman |
Model | RA-RT-Size14-US | RA-RT-Size14-US | RA-RT-Size14-US | RA-RT-Size14-US | RA-RT-Size14-US | Ring AIR |
Color | ||||||
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Price | $349.00 | $349.00 | $349.00 | $349.00 | $349.00 | $399.00 |
Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
Update | August 5, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 | July 19, 2025 |
package_dimensions | 8.62 x 6.77 x 3.19 inches | 8.7 x 6.77 x 3.23 inches | 8.7 x 6.69 x 3.31 inches | 8.62 x 6.93 x 3.35 inches | 8.43 x 6.61 x 3.23 inches | |
item_weight | 3.7 Grams | 3.7 Grams | 2.86 Grams | 2.95 Grams | 3.7 Grams | |
batteries | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 A batteries required. (included) | |
memory_storage_capacity | 0.5 MB | 0.5 MB | 0.5 MB | 0.5 MB | 0.5 MB | |
country_of_origin | India | India | India | India |
Reviews
Joshua W.
San Antonio, TX
August 10, 2025
as a chef who's into fitness, i wanted something discreet to keep an eye on my health without being obtrusive, and this ring from ultrahuman fits the bill. assembly is a breeze—just slip it on and pair it, no fuss. i've been using it for a couple of weeks now, and it's been fairly reliable for tracking my sleep patterns and heart rate during workouts. the data helps me adjust my routines, like noticing when i'm not getting enough deep sleep and tweaking my schedule. for my wife, the cycle tracking features are a nice bonus, and we both like that there's no hidden costs. it's not perfect—the battery drains faster than i'd like, and the app can be glitchy at times—but overall, it's a solid piece of tech that does what it promises without the hype. would i recommend it? yeah, especially if you're looking for a no-subscription health tracker that's easy to wear. 😊
- Pros: it's fairly lightweight and comfortable to wear all day, even during intense kitchen shifts, and the build feels solid, like it can handle a few accidental drops or splashes. i appreciate that it tracks sleep and heart rate without needing a monthly fee, which is a relief, and the insights for women's health seem useful for my wife, making it a good family choice.
- Cons: the battery life could be better, as it seemed to me i had to charge it more often than expected, and syncing with my phone wasn't always smooth, sometimes taking a bit to update data. it's a bit pricey upfront, which made me cautious, and the app interface isn't the most intuitive, requiring some patience to navigate.