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💍 Unlock your health’s hidden rhythms—right at your fingertip!
The ULTRAHUMAN Ring AIR (Certified Renewed) is a sleek, waterproof smart ring offering 3-5 days of battery life and advanced multi-biomarker tracking for sleep, activity, stress, and women’s health. Certified renewed with a 1-year warranty, it includes a sizing kit for a perfect fit and delivers clinical-grade insights without monthly fees, empowering professionals to optimize wellness effortlessly.
| ASIN | B0D7956WT1 |
| Age Range Description | Adult |
| Band Colour | Black |
| Band Material Type | Titanium |
| Battery Average Life | 6 days |
| Battery Capacity | 24 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | 21,794 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 3,516 in Wearable Technology (Electronics & Photo) |
| Box Contents | Type C to Type C Cable, Ultrahuman Ring AIR, Wireless Charging Dock |
| Brand Name | ULTRAHUMAN |
| Case Material Type | Titanium |
| Closure Type | No Closure |
| Colour | Sizing Kit |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Smartphone, Tablet |
| Connectivity Technology | Bluetooth |
| Controller Type | Touch control |
| Customer Reviews | 4.4 4.4 out of 5 stars (359) |
| Display Type | No Display |
| GPS Geotagging Functionality | no |
| Human Interface Input | Touch Bar |
| Item Type Name | Ultrahuman Ring AIR Sizing Kit |
| Item Weight | 3.7 Grams |
| Language | German |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd |
| Memory Storage Capacity | 0.5 MB |
| Metrics Measured | Heart Rate Monitor |
| Model Name | Ultrahuman Ring AIR Sizing Kit |
| Model Number | UHRA-BRG-05-WBSB |
| Operating System | android |
| Product Features | anti-scratches |
| Product Warranty | 1 Year Manufacturer |
| RAM Memory Installed | 0.5 MB |
| Shape | Round |
| Sport Type | Cycling, Fitness, Multi-Sports, Swimming, Yoga |
| Style Name | Minimalist |
| Supported Application | Sleep Monitor |
| Target Audience | Unisex Adult |
| Unit Count | 1.0 Count |
| Warranty Type | Standard |
| Water Resistance Depth | 3 Metres |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IPX8 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
A**R
Great Technology
Beautifully packaged ring sizers to ensure perfect fit before purchasing Ultrahuman ring. Great communication and efficient design.
M**S
Invaluable
Great tool to ‘try before you buy’.
M**E
Price and quality
An ideal item to get the perfect ring size first time.
M**H
Great kit
Invaluable for checking ring size
A**N
Love this
Amazing value
A**S
Perfect
Perfect
E**.
Finger sizing
Very easy to use and understandable for ring sizes
J**Y
Be smart, get a ring
Great to try on different sizes
A**L
Can’t really complain. It is what I said it is. I went with a different smart ring because I was in between sizes but it was a good product overall
K**A
Más fácil para poder saber tu talla para el ultrahuman ring
P**H
This sizing kit is very useful and easy to use. It includes multiple plastic ring sizers that cover all common sizes, with clear numbers on each ring for easy identification. The quality is excellent, made from durable and comfortable material.
S**A
Cheap plastic. Very easy to damage.
D**I
Perfect price to be able to buy before hand before ordering the ring itself. They fit exactly like the actual ring and I’m very pleased with my sizing results.
Trustpilot
1 day ago
3 weeks ago