






📏 Find your perfect fit, flaunt your style, and track your health like a pro.
The ULTRAHUMAN Ring Air Sizing Kit offers 10 precise ring sizes and 5 color options to help you find your perfect smart ring fit. Designed for comfort and accuracy, the kit encourages a 24-hour wear test to ensure optimal sizing before purchase. Ideal for advanced sleep and fitness tracking, this sizing kit eliminates guesswork and returns, empowering you to confidently select your ULTRAHUMAN Ring AIR.


| ASIN | B0D8HYRS46 |
| Amazon Bestseller | #398,918 in Hobbies ( See Top 100 in Hobbies ) #234 in Jewelry Making Kits |
| Batteries Included | No |
| Batteries Required | No |
| Brand | ULTRAHUMAN |
| Color Name | Size Kit with Swatch |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,498) |
| Date First Available | July 7, 2024 |
| Included Components | CHOOSE YOUR COLOR CHOICE: Once you know your size, you can choose the color of the ring from the sample card in the box. The sample card shows all five colors: Aster Black, Space Silver, Bionic Gold, Matte Grey, and Raw Titanium. Find one that fits your style |
| International Protection Rating | IPX8 |
| Item Model Number | UHRA-SSK-US |
| Item Shape | Rings |
| Item Weight | 3.7 Grams |
| Item model number | UHRA-SSK-US |
| Manufacturer | ULTRAHUMAN |
| Product Dimensions | 2 x 0.8 x 2 cm; 3.7 g |
| Special Features | Size Kit Guide |
| Wireless Comm Standard | Bluetooth |
R**S
Excelente Producto
S**K
I recently had the opportunity to use both the Ultrahuman Sizing Kit and the Ultrahuman Ring AIR in Raw Titanium (Size 9), and my experience has been nothing short of fantastic! The Sizing Kit was a game-changer. It provided a variety of sizes, making it easy to find the perfect fit for the smart ring. The included swatches gave a clear preview of the ring’s look and feel, ensuring I was confident about my choice. This thoughtful approach saved me the hassle of potential returns and made the purchasing process smooth and stress-free. Once I received the Ring AIR, it exceeded my expectations. The Raw Titanium finish is absolutely stunning, and the lightweight design ensures all-day comfort. The sleep tracking is incredibly detailed, offering insights into REM, Deep Sleep, Light Sleep, and Wakefulness, alongside actionable recommendations to enhance sleep quality. The Dynamic Recovery Score, which combines HRV, heart rate, and skin temperature metrics, provides a comprehensive view of my recovery and overall health. The ring’s fitness tracking capabilities are outstanding. The Workout Mode monitors heart rate during workouts, delivering real-time insights to optimize performance. Additionally, the Movement Index keeps me motivated to stay active throughout the day, even beyond workouts. The battery life is another major plus—lasting up to 6 days on a single 2-hour charge, making it highly convenient for daily use. Pairing the ring with the Ultrahuman App was seamless, and the app’s multi-language support adds to its accessibility. Overall, from the perfect fit ensured by the Sizing Kit to the advanced features of the Ring AIR, this has been an incredible addition to my health and fitness journey. Highly recommended for anyone looking for a functional, aesthetically pleasing, and reliable health tracker! 🌟🌟🌟🌟🌟
A**U
Llegó a tiempo. Muy recomendado el kit si quieres comprar tu anillo sin estar adivinando la talla
J**S
Good quality rings to try and crucial to find the best fit for the ring. Sizing is exact to the ring but the Ultrahuman ring itself is much more comfortable to wear!
C**K
This was so useful to find out my right ring size. Supper light weight when wearing it, feels like you have nothing on. Minix the real thing so you get a real idea on what you will be wearing.
Trustpilot
1 month ago
2 weeks ago