--- product_id: 736643820 title: "ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer" brand: "ultrahuman" price: "25 kr" currency: DKK in_stock: false reviews_count: 5 url: https://www.desertcart.dk/products/736643820-ultrahuman-ring-air-sizing-kit-with-colours-size-first-before store_origin: DK region: Denmark --- # 24h wear test for perfect fit 5 stylish color options 10 precise sizes (5-14) ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer **Brand:** ultrahuman **Price:** 25 kr **Availability:** ❌ Out of Stock ## Summary > 📏 Find your perfect fit before you commit—because your ring should work as hard as you do. ## Quick Answers - **What is this?** ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer by ultrahuman - **How much does it cost?** 25 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/736643820-ultrahuman-ring-air-sizing-kit-with-colours-size-first-before) ## Best For - ultrahuman enthusiasts ## Why This Product - Trusted ultrahuman brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Wear It Like a Pro:** Test your fit for 24 hours to ensure comfort and data accuracy. - • **Size with Confidence:** Avoid buyer’s remorse—try before you commit with 10 exact ring sizes. - • **Seamless Upgrade Path:** Sizing kit guides you effortlessly to your perfect smart ring purchase. - • **Smart Fit, Smart Data:** Proper sizing means optimal sleep & activity tracking with Ultrahuman Ring AIR. - • **Style Meets Precision:** Choose from 5 sleek colors to match your unique professional vibe. ## Overview The ULTRAHUMAN Ring AIR Sizing Kit offers 10 precise sizes (5-14) and 5 color options to ensure you select the perfect smart ring fit. Designed for professionals who demand accuracy, the kit includes a sizing ring to wear for 24 hours, guaranteeing optimal comfort and data precision for advanced sleep and activity tracking. Made with durable titanium and featuring Bluetooth compatibility, this kit is your essential first step to owning the Ultrahuman Ring AIR. ## Description PICK YOUR SIZE & 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. Review: Super utile per avere a casa - Ottimo è perfetto per misurare le dita prima di comprare qualsiasi anelli . Review: Recommended ## Features - SIZE FIRST - Ultrahuman Ring sizes are different from standard ring sizes. Purchase sizing kit first to get the perfect ring AIR size. Ring AIR is available in 10 sizes from 5-14. - TRYING THE SIZING RING - It is important to first use the sizing kit to determine the ring AIR 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 you wear the Ultrahuman Ring AIR on your index, middle, or ring finger. - FIT CHECK: You will get highest data accuracy and optimal comfort with a properly fitting Ultrahuman Ring. 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 our sizing kit, head over to desertcart to order your Ultrahuman Smart Ring. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D796MGRS | | Age Range Description | Adult | | Band Color | Black | | Band Material Type | Titanium | | Battery Average Life | 6 Days | | Battery Capacity | 24 | | Battery Cell Type | Lithium Polymer | | Battery Charge Time | 2 Hours | | Box Contents | Sizing Kit Guide | | Brand Name | ULTRAHUMAN | | Case Material Type | Titanium | | Clasp Type | Ring | | Colour | Swatch Sizing Kit | | Communication Feature | Bluetooth | | Compatible Devices | Smartphone, Tablet | | Compatible Phone Models | Smartphone, Tablet | | Connectivity Technology | Not Required | | Controller Type | Ultrahuman Application | | Customer Reviews | 4.5 out of 5 stars 412 Reviews | | GPS Geotagging Functionality | no | | Human Interface Input | Buttons | | Item Dimensions | 32 x 116 x 194 Millimeters | | Item Type Name | Ultrahuman Ring AIR Sizing Kit | | Item Weight Unit of Measure | 40 Grams | | Manufacturer | Ultrahuman Healthcare PVT LTD, No. 4088/799, Third Floor, V K Paradise Sector-2HSR Layout, Bangalore Karnataka 560102 India, Contact - 18001028693, cyborg@ultrahuman.com, Ultrahuman Healthcare Pvt Ltd | | Manufacturer Contact Information | Ultrahuman Healthcare PVT LTD, No. 4088/799, Third Floor, V K Paradise Sector-2HSR Layout, Bangalore Karnataka 560102 India, Contact - 18001028693, cyborg@ultrahuman.com | | Memory Storage Capacity | 0.5 MB | | Metrics Measured | Sleep Duration, Step Count | | Model Name | Ultrahuman Ring AIR Sizing Kit | | Model Number | UHRA-SSK-UK | | Operating System | android | | Packer Contact Information | Ultrahuman Healthcare PVT LTD, No. 4088/799, Third Floor, V K Paradise Sector-2HSR Layout, Bangalore Karnataka 560102 India, Contact - 18001028693, cyborg@ultrahuman.com | | Product Features | anti-scratches | | Shape | Round | | Special Feature | anti-scratches | | Sport Type | Cycling, Fitness, Multi-Sports, Swimming, Yoga | | Supported Application | Sleep Monitor | | Target Audience | Unisex Adults | | Unit Count | 1 Count | | Warranty Description | 1 Year | | Water Resistance Depth | 100 Metres | | Water Resistance Level | Not Water Resistant | | Waterproof Rating | IPX8 | | Wireless Communication Standard | Bluetooth | | Wireless Compability | Bluetooth | ## Product Details - **Operating System:** android - **Memory Storage Capacity:** 0.5 MB - **Special Feature:** anti-scratches - **Battery Capacity:** 24 - **Connectivity Technology:** Not Required ## Images ![ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer - Image 1](https://m.media-amazon.com/images/I/81UQzOLIkwL.jpg) ![ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer - Image 2](https://m.media-amazon.com/images/I/71Z2x+LPTcL.jpg) ![ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer - Image 3](https://m.media-amazon.com/images/I/81bzA756mNL.jpg) ![ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer - Image 4](https://m.media-amazon.com/images/I/71myH98rh6L.jpg) ![ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer - Image 5](https://m.media-amazon.com/images/I/81Zs2jMdEOL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Super utile per avere a casa *by G***A on 23 December 2025* Ottimo è perfetto per misurare le dita prima di comprare qualsiasi anelli . ### ⭐⭐⭐⭐⭐ Recommended *by X***X on 22 March 2026* ### ⭐⭐⭐⭐⭐ Bueno *by N***E on 22 November 2024* Feliz de haberlo comprado antes de comprar el anillo porque adivinen? Me hizo decidir no comprarlo. Es muy grande e incomodo para mi gusto. ## Frequently Bought Together - ULTRAHUMAN Ring AIR - Sleep & Fitness Tracker, Smart Ring for Women & Men, No App Fee for Standard Features - RingConn Gen 2 Sizing Kit - Size First Before You Buy - Choose from 9 Sizes - Sizes 6 to 14 - Find The Perfect Ring Size Smart Ring Size - Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/736643820-ultrahuman-ring-air-sizing-kit-with-colours-size-first-before](https://www.desertcart.dk/products/736643820-ultrahuman-ring-air-sizing-kit-with-colours-size-first-before) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-23*