# Smart ring Colmi R12 21.6mm size 12 Black

**URL:** https://aio.lv/en/product--colmi-r12-black-12--11584453
**Data updated:** 2026-02-20 09:15 (EET)
**Category:** Smart rings
**Manufacturer:** Colmi
**Manufacturer code:** R12 Black 12
**EAN:** 6972436986835
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--colmi-r12-black-12--11584453

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Colmi R12 is a smart ring with a 21.6 mm inner diameter in size 12, finished in black. Designed for wearable monitoring and convenient on-finger control, it offers compact smart functionality in a ring form factor. Suitable for users who prefer discreet tracking and quick access to device features while keeping hands free.

## Long description

Colmi R12 is a compact smart ring with a 21.6 mm inner diameter (size 12) and a black finish. Designed to provide wearable monitoring and convenient on-finger control, this smart ring integrates basic activity and health tracking into a discreet, ring-shaped form factor. Its small footprint and black exterior make it suitable for everyday use while keeping your hands free and maintaining a low-profile look.
Advantages
The Colmi R12 combines a minimalist design with essential smart features, allowing continuous tracking without the bulk of a wrist device. Its size 12 fit ensures a secure on-finger placement for accurate sensor contact, and the black finish offers a neutral appearance that pairs with different styles. The ring delivers quick access to device functions and monitoring data in a form factor built for all-day wear and minimal interference with daily activities.
Suitable for
Users seeking discreet wearable health or activity monitoring
People who prefer on-finger controls instead of wrist-worn devices
Everyday use when hands-free operation and compact design are important
Situations requiring continuous tracking without visible or bulky wearables
Key specifications
Form factor: smart ring
Inner diameter: 21.6 mm (size 12)
Color/finish: black
Primary functions: wearable monitoring and on-finger control
Intended use: continuous, discreet tracking
How to use
Place the Colmi R12 on the intended finger so the inner surface makes consistent contact with skin; a snug but comfortable fit ensures optimal sensing. Follow pairing instructions in the companion app or device interface to connect the ring with a smartphone or other compatible host. Wear the ring throughout the day to capture activity and monitoring data; remove it for charging or when it may be exposed to water or conditions specified by the manufacturer. Consult the included documentation for app setup, permissions, and any calibration steps required for accurate measurements.
Usage recommendations
For best results, select the correct ring size, keep the contact area clean and dry, and ensure the companion app has the necessary permissions enabled for health and activity data. Remove the ring during high-impact or abrasive tasks to prevent damage and charge it according to the manufacturer’s guidelines to maintain consistent tracking performance.

## FAQ

### How much does the Smart ring Colmi R12 21.6mm size 12 cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 88 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 10.07.2026 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. All transactions are 100% secure and encrypted.

### 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 Colmi 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 Colmi 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/11584453/66896562_large.webp