






📏 Find your perfect fit, flaunt your style, and never miss a beat with Ultrahuman Ring AIR sizing kit!
The ULTRAHUMAN Ring Air Sizing Kit offers 10 distinct sizes and 5 color options to help you find the perfect fit before purchasing your smart ring. Designed with an IPX8 waterproof rating and Bluetooth connectivity, this lightweight 3.7g kit ensures optimal comfort and precise sizing for advanced biometric tracking. Wear the sizing ring for at least 24 hours to confirm a snug, spin-free fit on your preferred finger, guaranteeing maximum data accuracy and style.


| Color Name | Size Kit with Swatch |
| Item Shape | Rings |
| International Protection Rating | IPX8 |
| Wireless Comm Standard | Bluetooth |
| Batteries Included | No |
| Batteries Required | No |
| Brand | ULTRAHUMAN |
| Manufacturer | ULTRAHUMAN |
| Item Model Number | UHRA-SSK-US |
| 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 |
| Special Features | Size Kit Guide |
| Product Dimensions | 2 x 0.8 x 2 cm; 3.7 g |
| Item Weight | 3.7 Grams |
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