Ultrahuman - Ring PRO Sizing Kit | Sizing Guide for Your Smart Wearable Ring | Receive Gift Card with Purchase - Black - (2026)
About this product
Ultrahuman Ring PRO sizes are different from standard ring sizes. Purchase the Sizing Kit first to find your perfect fit — available in 10 sizes from 5-14.
Features
TRY ON THE SIZING RING
It is important to first use the sizing kit to determine your Ultrahuman Ring PRO size. Wear your ring sizer for at least 24 hours to know your fit. Wear the ring such that the engraved size number is toward the palm of your hand.
FINDING THE CORRECT FINGER
For optimal comfort and advanced sleep tracking, we recommend that you wear the Ultrahuman Ring PRO on your index, middle, or ring finger.
FIT CHECK
You will get highest data accuracy and optimal comfort with a properly fitting Ultrahuman Ring PRO. Here are a few simple ways to assess this — If you rotate the ring on your finger, it should not rotate freely.
CHOOSE YOUR RING
After you've precisely determined your size using the sizing kit, head over to Amazon to order your Ultrahuman Ring PRO.
BUILD QUALITY
While the sizing kit is made of high-grade plastic, the Ultrahuman Ring PRO stands leagues apart in its material composition. Crafted from space grade titanium with a unibody architecture, your Ultrahuman Ring PRO promises superior quality and long-term durability.
PICK YOUR COLOR
Once you know your size, you can now choose the color of your Ultrahuman Ring PRO from the swatch card provided in the box. The swatch card showcases all 4 color variants, find the perfect match for your style.
Specifications
- Operating System CompatibilityApple iOS, AndroidApp CompatibleNoBuilt-in Storage0 gigabytesUsage Time360 hoursMetrics MeasuredNot ApplicableProtective QualitiesNone
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Ultrahuman Ring PRO sizes are different from standard ring sizes. Purchase the Sizing Kit first to find your perfect fit — available in 10 sizes from 5-14.
The Ultrahuman Ring PRO is a sleek, lightweight smart ring designed to help you better understand your body and optimize your daily performance. Built with advanced health tracking technology, it continuously monitors key wellness metrics including sleep quality, recovery, heart rate, movement, and stress patterns. Its durable, minimalist design provides all-day comfort while delivering personalized insights through the Ultrahuman app, helping users make smarter decisions about fitness, recovery, and overall well-being. Ideal for active lifestyles, the Ring PRO combines premium craftsmanship with intelligent health tracking in a discreet wearable form factor.
Actionable health tracking smart ring. A comfortable and sleek smart ring that tracks your sleep, movement and recovery trends, nudging you to make healthier choices every day. The Ring lasts up to 6 days on a complete charge.*
The Oura Ring 5 Sizing Kit allows for you and those around you to find the ideal fit before purchasing. With an Oura Ring 5 Sizing Kit purchase, you will receive a $10 Best Buy gift card to use towards your Oura Ring 5 purchase. A properly fitting Oura Ring 5 will result in the highest possible data accuracy, comfort, and overall experience. Oura Ring 5 sizes are slightly different from standard ring sizes and other Oura Ring generations. It’s important to size yourself and follow sizing instructions. Oura Ring 5 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing on your index, middle, or ring finger.
| Pros for Ultrahuman - Ring PRO Sizing Kit | Sizing Guide for Your Smart Wearable Ring | Receive Gift Card with Purchase - Black - (2026) | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Comfort, Overall Performance, Design, Accuracy, Sleep Tracking | Sizing Accuracy, Ease of Use |
| Cons for Ultrahuman - Ring PRO Sizing Kit | Sizing Guide for Your Smart Wearable Ring | Receive Gift Card with Purchase - Black - (2026) | |||
| There were no cons for this product— | There were no cons for this product— | Battery Life, Connectivity, Size | There were no cons for this product— |
Specs
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