📏 Find your perfect fit before you commit — because precision is the new power move.
The ULTRAHUMAN Ring AIR Sizing Kit offers 10 distinct sizes (5-14) and 5 color swatches to help you accurately determine your ideal smart ring size. Designed for comfort and data accuracy, the kit includes a sizing ring to wear for 24+ hours, ensuring a perfect fit on your index, middle, or ring finger before purchasing the Ultrahuman Smart Ring.
| Brand | ULTRAHUMAN |
| Manufacturer | ULTRAHUMAN |
| Model | UHRA-SSK-US |
| Model Name | Sizing Kit with Swatch |
| Product Dimensions | 2 x 0.8 x 2 cm; 3.7 g |
| Batteries | 1 Lithium Polymer batteries required. |
| Item model number | UHRA-SSK-US |
| Memory Storage Capacity | 0.5 MB |
| Special Features | Sizing Kit Guide |
| Mounting Hardware | PICK YOUR COLOUR: Once you know your size, you can now choose the colour of your ring from the swatch card provided in the box. The swatch card showcases all 5 colours: Aster Black, Space Silver, Bionic Gold, Matte Grey, and Raw Titanium. Find the perfect match for your style. |
| Batteries Included | No |
| Batteries Required | No |
| Wireless Type | Bluetooth |
| Device interface - primary | Buttons |
| Includes Rechargeable Battery | No |
| Manufacturer | ULTRAHUMAN |
| Item Weight | 3.7 g |
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