# Colmi R02 Smart Ring, Size 8, 18.1 mm, Black with Charging Case

**URL:** https://aio.lv/en/product--colmi-r02-black-8-case--12415468
**Data updated:** 2026-05-12 06:14 (EEST)
**Category:** Smart rings
**Manufacturer:** Colmi
**Manufacturer code:** R02 Black 8 (case)
**EAN:** 6972436985869
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--colmi-r02-black-8-case--12415468

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Colmi R02 is a wearable smart ring designed for health and activity tracking. This size 8 model features an 18.1 mm inner diameter and comes in a sleek black finish. It includes a dedicated charging case for convenient power management. Ideal for users seeking a discreet, lightweight device to monitor daily metrics and integrate seamlessly into a modern lifestyle.

## Long description

The Colmi R02 Smart Ring is a compact and discreet wearable device engineered for continuous health and activity monitoring. Designed with a sleek black finish and an inner diameter of 18.1 mm, this size 8 ring offers a comfortable fit for daily wear. It comes equipped with a dedicated charging case, ensuring that your device remains powered and ready for use throughout your routine. By combining advanced sensor technology with a minimalist aesthetic, the Colmi R02 provides a seamless way to track essential wellness metrics without the bulk of a traditional smartwatch.
Advantages
The primary benefit of the Colmi R02 is its lightweight and unobtrusive design, which allows for 24/7 wearability during work, exercise, or sleep. Unlike wrist-worn trackers, this smart ring offers a more subtle approach to data collection while maintaining high accuracy for daily activity metrics. The inclusion of a portable charging case simplifies power management, allowing users to charge the ring on the go. Its durable construction is built to withstand the rigors of daily life, making it a reliable companion for health-conscious individuals who prefer a minimalist approach to technology.
Suitable for
Monitoring daily physical activity and step counts
Tracking sleep quality and patterns
Discreet health data collection in professional or casual settings
Users who prefer a lightweight alternative to smartwatches
When it may not be suitable
This device may not be suitable for users who require a display screen for real-time notifications, messaging, or GPS navigation, as it relies on a connected smartphone application for data visualization. Additionally, individuals with specific finger sizing requirements outside of the 18.1 mm diameter may find the fit uncomfortable or inaccurate for sensor readings.
Key specifications
Size: 8 (18.1 mm inner diameter)
Color: Black
Included accessories: Dedicated charging case
Functionality: Health and activity tracking
How to use
To begin using the Colmi R02, ensure the ring is fully charged using the provided charging case. Download the compatible application on your smartphone and enable Bluetooth to pair the device. Once connected, place the ring on your finger, ensuring a snug but comfortable fit to allow the sensors to maintain consistent contact with your skin. The device will automatically begin recording data, which can be synced and reviewed through the mobile application at your convenience.
What to consider before purchase
Verify your finger size matches the 18.1 mm diameter requirement
Ensure compatibility with your smartphone operating system
Consider the need for a screen-less interface versus a traditional smartwatch
Usage recommendations
For the most accurate health and activity data, wear the ring consistently throughout the day and night. Clean the inner surface of the ring periodically with a soft, dry cloth to ensure the sensors remain free of debris and moisture.

## FAQ

### How much does the Colmi R02 Smart Ring Size 8 Black with Charging Case 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 — 84 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 09.07.2026 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