--- product_id: 730754965 title: "Gen 2 Air Sizing Kit - Size First Before You Buy" brand: "ringconn" price: "€ 6.72" currency: EUR in_stock: true reviews_count: 8 category: "Ring Conn" url: https://www.desertcart.sk/products/730754965-gen-2-air-sizing-kit-size-first-before-you-buy store_origin: SK region: Slovakia --- # 24+ hrs wear test for accuracy 9 sizes (6–14) for perfect fit Aerospace-grade titanium build Gen 2 Air Sizing Kit - Size First Before You Buy **Brand:** ringconn **Price:** € 6.72 **Availability:** ✅ In Stock ## Summary > 📏 Find your perfect fit before you commit — because comfort is the new luxury. ## Quick Answers - **What is this?** Gen 2 Air Sizing Kit - Size First Before You Buy by ringconn - **How much does it cost?** € 6.72 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/730754965-gen-2-air-sizing-kit-size-first-before-you-buy) ## Best For - ringconn enthusiasts ## Why This Product - Trusted ringconn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Size Before You Buy:** Eliminate guesswork with a dedicated sizing kit tailored for RingConn Gen 2 rings. - • **Wear-Tested Accuracy:** Recommended 24-hour sizing wear to lock in your perfect fit and avoid ring rotation. - • **Precision Fit Guarantee:** Snug, sensor-optimized sizing ensures flawless data and all-day comfort. - • **Premium Aerospace Titanium:** Durable, lightweight, and corrosion-resistant for a sleek, long-lasting wear. - • **Universal Finger Compatibility:** Fits any finger on either hand—customize your smart ring experience. ## Overview The RingConn Gen 2 Air Sizing Kit offers 9 precise sizes (6–14) designed exclusively for the RingConn Smart Ring series. Crafted from premium-grade plastic, it helps you determine the optimal snug fit—critical for the ring’s embedded sensors to deliver accurate health and activity tracking. Recommended to wear the sizing gauge for over 24 hours, this kit ensures your smart ring fits comfortably without rotation. Compatible with any finger and hand, it complements the aerospace-grade titanium RingConn Smart Ring, enhancing durability and user experience. ## Description Product description Size Before You Buy Find the Right Fit Use the RingConn Sizing Kit to find your perfect fit before purchasing the RingConn Smart Ring. RingConn Smart Ring differs from standard rings, so find the right fit with the Sizing Kit. Review: Ringconn Gen 2 - The ring that rule them all. No subscription. Review: Ok - I decided to not buy the ring since its annoying on the finger but good kit ## Features - [Size Before You Buy] Before purchasing the RingConn Smart Ring, we highly recommend acquiring the RingConn Sizing Kit to determine the most comfortable and suitable size for your finger. Please note that the RingConn Sizing Kit is only compatible with the RingConn Smart Ring - [Not Standard Sizing] RingConn Smart Ring differs from standard rings as it contains sensors on the inside. Therefore, we recommend using the RingConn Sizing Kit to determine the best fit. The RingConn Smart Ring is available in sizes 6 to 14, accommodating various finger sizes - [How to Measure & Fit Check] Wear the sizing gauge snugly around the base of your finger, ensuring it doesn’t rotate freely. We recommend wearing it for over 24 hours to determine your most accurate fit. For optimal data and comfort, the RingConn Smart Ring should fit snugly against your skin without rotating. When testing for the best size, make sure the sizing gauge remains tight around the base of your finger - [Choose a Finger] The RingConn Smart Ring can be worn on any finger and on either hand. For optimal accuracy and comfort, we recommend wearing the RingConn Smart Ring on your index, middle, or ring finger. Be sure to size the exact finger on which you plan to wear your RingConn Smart Ring for the best fit - [Manufacturing Quality] RingConn Sizing Kit is made from premium-grade plastic, while the RingConn Smart Ring is crafted from aerospace-grade titanium, coated with a scratch-resistant layer for outstanding corrosion resistance and durability ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0F43QZV4X | | Additional Features | Activity Tracker, Custom Activity Tracking, Heart Rate Monitor, Multisport Tracker, Sleep Monitor | | Age Range Description | Adult | | Band Material Type | Titanium | | Battery Average Life | 10 days | | Battery Cell Type | Lithium Polymer | | Battery cell composition | Lithium Polymer | | Best Sellers Rank | #1,129 in Electronics ( See Top 100 in Electronics ) #8 in Wearable Tech Rings | | Brand | RingConn | | Built-In Media | RingConn Gen 2 Air Sizing Kit | | Case Material Type | Titanium | | Color | White | | Communication Feature | Bluetooth | | Compatible Devices | Smartphone | | Compatible Phone Models | Android Devices, iOS Devices | | Connectivity Technology | Bluetooth | | Connectivity technology | Bluetooth | | Customer Reviews | 4.6 out of 5 stars 1,537 Reviews | | Display Type | No Display | | GPS Geotagging Functionality | No GPS | | Human Interface Input | Touchscreen | | Item Weight | 0.1 Kilograms | | Manufacturer | Shenzhen Ninenovo Technology Limited | | Memory Storage Capacity | 2 MB | | Memory storage capacity | 2 MB | | Metrics Measured | Heart Rate, Sleep Duration | | Model Name | RingConn Gen 2 Air Sizing Kit | | Model Number | RCA-02 | | Operating System | RingConn App | | Shape | Round | | Special features | Activity Tracker, Custom Activity Tracking, Heart Rate Monitor, Multisport Tracker, Sleep Monitor | | Style Name | Minimalist | | Supported Application | Fitness Tracker | | Target Audience | Unisex Adults | | Unit Count | 1.0 Count | | Water Resistance Depth | 100 Meters | | Water Resistance Level | Water Resistant | | Wearable Computer Type | Smart Ring | | Wireless Compability | Bluetooth | | Wireless communication standard | Bluetooth | ## Product Details - **Connectivity technology:** Bluetooth - **Memory storage capacity:** 2 MB - **Operating system:** RingConn App - **Special features:** Activity Tracker, Custom Activity Tracking, Heart Rate Monitor, Multisport Tracker, Sleep Monitor - **Wireless communication standard:** Bluetooth ## Images ![Gen 2 Air Sizing Kit - Size First Before You Buy - Image 1](https://m.media-amazon.com/images/I/51jD7WyOhwL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Ringconn Gen 2 *by R***B on 23 May 2026* The ring that rule them all. No subscription. ### ⭐⭐⭐⭐⭐ Ok *by M***A on 8 August 2025* I decided to not buy the ring since its annoying on the finger but good kit ### ⭐⭐⭐⭐ Good *by S***E on 28 May 2026* The package was neatly wrapped and the goods arrived on time. The quality of the item is good. Thank you! ## Frequently Bought Together - RingConn Gen 2 Air Sizing Kit - Size First Before You Buy - Choose from 9 Sizes - Sizes 6 to 14 - Only Smart Ring - ULTRAHUMAN Ring AIR-Smart Ring Health Tracker, Size First Sizing Kit,Sleep Tracker,Smart Ring for Men/Women,Fitness Tracker (Made in India, Swatch Sizing Kit, Swatch Sizing Kit) - 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.sk/products/730754965-gen-2-air-sizing-kit-size-first-before-you-buy](https://www.desertcart.sk/products/730754965-gen-2-air-sizing-kit-size-first-before-you-buy) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-30*