# Smart ring Ultrahuman Air size 12 Matt Grey — biometric ring for sleep, activity and recovery

**URL:** https://aio.lv/en/product--ultrahuman-demo-mg12--11662149
**Data updated:** 2026-02-16 07:04 (EET)
**Category:** Smart rings
**Manufacturer:** Ultrahuman
**Manufacturer code:** DEMO-MG12
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 362.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 299.58 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ultrahuman-demo-mg12--11662149

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Ultrahuman Air is a biometric smart ring in matt grey, size 12 (MPN DEMO-MG12) for continuous monitoring of sleep, activity and recovery. It measures heart rate variability and movement to estimate sleep stages, readiness and daily activity levels. Lightweight and discreet for everyday wear, it helps users optimise training, rest and overall wellbeing through actionable insights delivered to a paired app.

## Long description

Ultrahuman Air size 12 Matt Grey is a biometric smart ring designed for continuous monitoring of sleep, activity and recovery. The ring measures heart rate variability and movement to estimate sleep stages, recovery readiness and daily activity levels. Its matt grey finish and lightweight design make it suitable for 24/7 wear while remaining discreet. Data is synchronised with the paired Ultrahuman app to provide daily insights and trends for improving training, rest and overall wellbeing.
Advantages
The ring offers continuous, non-invasive monitoring of physiological signals with a compact form factor that fits on the finger. It provides detailed sleep stage estimation and recovery metrics based on heart rate variability and motion, enabling users to track readiness and adjust activity intensity. The matt grey surface reduces visible reflections and the size 12 fit ensures comfort for users matching that ring size. Designed for everyday wear, the device minimises interference with daily tasks while collecting high-frequency data for accurate trend analysis.
Suitable for
 Wearers who want continuous sleep tracking and stage analysis
 Athletes and active users monitoring recovery and training readiness
 People seeking daily activity and movement tracking without a wrist device
 Users who prefer a discreet, lightweight wearable for 24/7 monitoring
Key specifications
 Form factor: smart ring, matt grey finish
 Size: 12 (finger ring sizing)
 Sensors: optical heart rate / heart rate variability sensor and motion sensor
 Main functions: sleep stage estimation, recovery/readiness scoring, daily activity tracking
 Connectivity: wireless synchronization with companion smartphone app
 Wearability: lightweight, designed for continuous 24/7 use
How to use
Place the ring on the finger that best fits size 12 and wear it continuously, including during sleep, to allow uninterrupted data collection. Pair the ring with the Ultrahuman app on a compatible smartphone and enable Bluetooth synchronization to receive real-time or periodic data uploads. The app processes sensor measurements to display sleep stages, readiness scores and activity summaries; consult the app interface to view trends, nightly reports and suggested adjustments to training and rest. Charge the ring as instructed by the manufacturer to maintain uninterrupted monitoring.
Usage recommendations
For the most reliable sleep and recovery metrics, wear the ring overnight and keep it on consistently for several consecutive days to establish baseline trends. Ensure the finger fit is snug but comfortable to maintain sensor contact, and synchronise the ring with the Ultrahuman app regularly to back up data and receive updated insights.

## FAQ

### How much does the Ultrahuman Air smart ring — size 12 cost, and is it available for purchase?

The price is 362.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10000 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 01.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Ultrahuman Air smart ring — size 12 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Ultrahuman products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Ultrahuman service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11662149/66952879_large.webp