# Smart ring Colmi R02 20.3 mm Black — Colmi R02 compact wearable ring size 20.3 mm

**URL:** https://aio.lv/en/product--colmi-r02-black-11--10936304
**Data updated:** 2026-03-16 16:32 (EET)
**Category:** Smart rings
**Manufacturer:** Colmi
**Manufacturer code:** R02 Black 11
**EAN:** 6972436985166
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--colmi-r02-black-11--10936304

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Colmi R02 smart ring, 20.3 mm size in black. A compact wearable device that offers activity tracking, basic health monitoring and notifications when paired with a compatible smartphone. Designed for all-day wear, it provides discreet vibration alerts, step and sleep tracking, and simple control of phone functions. Ideal for users seeking a minimalist wearable for daily fitness monitoring and notifications.

## Long description

Colmi R02 smart ring in size 11 (20.6 mm diameter, 64.6 mm circumference) in black. This compact wearable provides continuous basic health and activity monitoring: heart rate, blood oxygen saturation (SpO2), sleep tracking, step count, distance and calories burned. The device supports 21 sports modes, has IP68 water resistance, a 17 mAh battery with up to 6 days of operation, and pairs with the QRing app via Bluetooth 5.0 for data synchronization and settings.
Advantages
The Colmi R02 ring combines a lightweight polished stainless steel exterior with a hypoallergenic resin interior, weighing only 4.4 g and measuring 2.7 mm in thickness for comfortable all-day wear. It offers continuous heart rate monitoring, SpO2 measurement, automatic sleep analysis and 21 exercise modes. The ring is IP68-rated for resistance to splashes and immersion, charges magnetically in about one hour and delivers up to six days of use on a single charge. Data and reports are available in the dedicated QRing app.
Suitable for
Daily activity tracking (steps, distance, calories)
Sleep monitoring and analysis
Basic health checks (heart rate and SpO2)
Sports and workouts across 21 modes (walking, running, cycling, yoga, etc.)
All-day discreet wear with water resistance for showering and swimming
Key specifications
Manufacturer: Colmi
Model: R02 (MPN: R02 Black 11)
Color: Black
Size: 11 (diameter 20.6 mm; circumference 64.6 mm)
Main control unit: RF03
Bluetooth: 5.0
Battery: 17 mAh; operating time up to 6 days
Charging time: approx. 1 h (magnetic charging, USB-A cable included)
Water resistance: IP68
Application: QRing
Weight: 4.4 g
How to use
Charge the ring using the supplied magnetic USB-A cable until fully charged (about 1 hour). Install the QRing app on a compatible smartphone and pair the ring via Bluetooth 5.0 to synchronize data and configure settings. Wear the ring on the finger that gives the most comfortable fit; the device will automatically monitor sleep and track activity when worn. Use the app to view heart rate, SpO2, sleep reports, activity details and to select sport modes.
Usage recommendations
For accurate readings, wear the ring snugly but comfortably on a stable finger position. Keep the ring and sensor area clean and dry when not measuring; follow the app’s guidance for sleep and sport mode selection. Although IP68 provides protection against splashes and immersion, avoid exposing the ring to high-temperature water (hot tubs/saunas) or strong chemicals. Charge regularly to maintain continuous monitoring.

## FAQ

### How much does the Colmi R02 Smart Ring 20.3 mm Black cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 139 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 08.07.2026 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/10936304/61241039_large.webp