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💡 Nail your perfect fit before you buy—because precision matters!
The Oura Ring 4 Sizing Kit is a precision tool designed to help you find the exact fit for your Oura Ring 4, which uses unique sizing different from standard rings. It supports sizes 4 through 15 without half sizes and works on any finger. Using the kit ensures optimal comfort and the highest accuracy in health tracking data. Plus, purchasing the kit grants a $10 credit towards your ring, making sizing risk-free and smart.
| ASIN | B0D9WVWXR1 |
| Additional Features | Unique Sizing Kit with Fit Credit |
| Band Material Type | Stainless Steel |
| Best Sellers Rank | #41,780 in Fashion ( See Top 100 in Fashion ) #52 in Ring Sizers |
| Brand | OURA |
| Built-In Media | Oura Ring 4 Sizing Kit |
| Cellular Technology | Not supported |
| Color | Sizing Kit |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,620) |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Unknown |
| Manufacturer | Oura |
| Metrics Measured | Heart Rate, Sleep Duration |
| Model Number | JZ98-54870 |
| Shape | Round |
| Style Name | Sizing Kit |
| Supported Application | Fitness Tracker |
| Unit Count | 1 Count |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Waterproof |
| Wearable Computer Type | Smart Ring |
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