# Smart ring Colmi R03 19.8 mm Gold — Colmi R03 Gold 10 size 19.8 mm

**URL:** https://aio.lv/en/product--colmi-r03-gold-10--11108748
**Data updated:** 2026-03-16 16:35 (EET)
**Category:** Smart rings
**Manufacturer:** Colmi
**Manufacturer code:** R03 Gold 10
**EAN:** 6972436985661
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--colmi-r03-gold-10--11108748

## 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

Colmi R03 is a smart ring in gold finish with a 19.8 mm internal diameter (model Colmi R03 Gold 10). It offers wearable smart features in a compact ring form for daily use, combining discreet notifications, basic activity tracking and hands-free interaction. Designed for users who prefer minimal wearable tech, it fits finger size 19.8 mm and is suitable for everyday wear and light fitness monitoring.

## Long description

Colmi R03 is a smart ring in a gold finish with an inner diameter of 19.8 mm (size 10). It provides compact access to health and activity data via the QRing app and is designed for daily wear thanks to a lightweight titanium alloy construction, 5ATM water resistance and a charging case that stores and recharges the ring.
Advantages
The Colmi R03 offers continuous heart rate and blood oxygen monitoring, sleep tracking with phase analysis, and activity tracking including steps, distance and calories. The ring supports 21 sports modes, connects via Bluetooth 5.0, and works with Android, iOS and Harmony OS. Its built-in 18 mAh battery runs about 5–7 days per charge and the included 200 mAh charging case can recharge the ring multiple times. Materials and construction resist corrosion and wear, while the magnetic charging and USB-C case provide convenient recharging.
Suitable for
Everyday wear and discreet notifications
Sleep monitoring and sleep quality analysis
Light to moderate fitness tracking (walking, running, swimming)
Users who prefer compact, minimal wearable devices
Key specifications
Manufacturer: Colmi
Model: R03
Color: Gold
Size / Inner diameter: 19.8 mm (size 10)
Material: Titanium alloy
Weight: 4.7 g
Main chipset: BlueX Micro RF03
Memory: ROM 512 KB
HR sensor: Vcare VC30F
Accelerometer: STK8321
Bluetooth: 5.0
Ring battery: Lithium‑polymer 18 mAh, magnetic charging, ~1 h charge time, 5–7 days operating time
Charging case battery: Lithium‑polymer 200 mAh, USB‑C charging, ~1 h charge time, charges the ring up to 13 times on a single case charge
Number of charging cycles (ring/case): over 300 / ~300
Water resistance: 5ATM
App: QRing (Android 4.4+/iOS 8.0+/Harmony OS)
Available functions in app: step counter, calorie counter, distance measurement, heart rate, sleep monitoring, 21 sports modes, exercise log, blood pressure, blood oxygen (SpO2), stress level, remote photo
Updates: OTA
How to use
Charge the case via the USB‑C cable, then place the Colmi R03 in the magnetic slot of the case to charge the ring. Install the QRing app on a compatible smartphone (Android 4.4 or later, iOS 8.0 or later, or Harmony OS), pair the ring via Bluetooth 5.0 and follow the in‑app setup to allow health and activity permissions. Wear the ring on a comfortable finger; the inner diameter is 19.8 mm. Use the app to view daily, weekly and monthly reports, enable sports modes before exercise, and check heart rate, SpO2 and sleep data.
Usage recommendations
For best results, wear the ring snugly but comfortably on the same finger during sleep and workouts, keep the QRing app updated, charge the ring regularly using the supplied magnetic charging case, and rinse and dry the ring after exposure to water or sweat to maintain the titanium alloy finish.

## FAQ

### How much does the Smart ring Colmi R03 19.8 mm Gold cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 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

## Image

https://aio.lv/img/cache/product/11108748/61795173_large.webp