# Smart ring Colmi R02 — size 19.8 mm (Black, model R02 Black 10)

**URL:** https://aio.lv/en/product--colmi-r02-black-10--10936303
**Data updated:** 2026-03-16 16:32 (EET)
**Category:** Smart rings
**Manufacturer:** Colmi
**Manufacturer code:** R02 Black 10
**EAN:** 6972436985159
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--colmi-r02-black-10--10936303

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Colmi R02 is a compact smart ring in 19.8 mm size (model R02 Black 10) with a black finish. It delivers wearable functionality in a ring form factor for continuous daily use. The device tracks basic activity and health-related metrics, pairs with compatible devices to show data and notifications, and is intended for users who prefer a discreet alternative to wrist-worn trackers.

## Long description

Colmi R02 10 Smart Ring (Black) is a lightweight wearable that monitors health and activity. The ring tracks heart rate, sleep, and blood oxygen saturation (SpO2), counts steps and calories, and supports 21 sports modes. It has IP68 water resistance, connects to your phone via Bluetooth 5.0 and syncs data with the QRing app. The ring weighs 4.4 g, has a 17 mAh battery with up to 6 days of operation, and charges magnetically in about 1 hour.
Advantages
Compact and lightweight design provides comfortable all-day wear while polished stainless steel exterior and hypoallergenic resin interior ensure durability and skin comfort. Continuous health monitoring includes 24-hour heart rate tracking and SpO2 measurement. Multiple sports modes and precise activity counting give clear insight into workouts and daily movement. IP68 rating allows use during hand washing, rain or short immersion. Magnetic charging and up to 6 days of battery life reduce the need for frequent charging.
Key specifications
Manufacturer: Colmi
Model: R02 (size 10)
Color: Black
Main control unit: RF03
Bluetooth: 5.0
Battery capacity: 17 mAh
Operating time: Up to 6 days
Charging time: Approx. 1 hour
Charging method: Magnetic charging (USB-A cable included)
Waterproof: IP68
Application: QRing
Weight: 4.4 g
Size: 10
Diameter: 19.8 mm
Circumference: 62.1 mm
How to use
Wear the Colmi R02 ring on a finger that feels comfortable and stable; its 2.7 mm thickness and 4.4 g weight are designed for continuous use. Install the QRing app on your smartphone, enable Bluetooth, and pair the ring to synchronize health and activity data. Use the app to view sleep reports, heart rate and SpO2 readings, activity summaries and selected sport modes. Charge the ring with the supplied magnetic USB-A cable; a full charge takes around one hour.
Recommendations
For accurate heart rate and SpO2 measurements, ensure the ring fits snugly but not tightly on your finger and stays in place during monitoring. Avoid exposing the ring to strong chemicals; rinse after swimming in chlorinated water. Keep the QRing app updated for best compatibility and feature improvements.

## FAQ

### How much does the Colmi R02 smart ring — 19.8 mm cost, and is it available for purchase?

The price is 34.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 06.07.2026 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/10936303/61241036_large.webp