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Smart Ring Colmi R03 20.3mm Size 11, Black
Price: 32.60 €
| Products ID: | 174853 |
|---|---|
| Manufactured by: | Colmi |
| Availablity: | Ready to Order |
| Delivery Time | 5-10 business days |
| EAN: | 6972436985616 |
Delivery options to:
Choose countryThe Colmi R03 is a lightweight titanium alloy smart ring designed to track daily health metrics and workout performance via the QRing app.
Key Features
- Size 11 with 20.3 mm inner diameter and 4.7 g lightweight design
- 5ATM water resistance suitable for swimming and intense workouts
- Tracks heart rate, sleep stages, SpO2 blood oxygen, and stress levels
- 21 sports modes recording steps, calories burned, and distance
- 5 to 7 days of operating time with an included 200 mAh charging case
| Brand | Colmi |
|---|---|
| Model | R03 |
| Size | 11 |
| Inner diameter | 20.3 mm |
| Color | Black |
| Material | Titanium alloy |
| Weight | 4.7 g |
| Water resistance | 5ATM |
| Bluetooth version | 5.0 |
| Ring battery capacity | 18 mAh |
| Operating time | 5-7 days |
| Ring charging time | about 1 h |
| Case battery capacity | 200 mAh |
| Case charging port | USB-C |
| Case dimensions | 43 x 43 x 25 mm |
| App | QRing |
| Compatibility | Android 4.4 or later, iOS 8.0 or later, Harmony OS |
What are the dimensions and weight of the Colmi R03 size 11?
The size 11 ring has an inner diameter of 20.3 mm and weighs 4.7 g.
How long does the battery last on the Colmi R03?
The smart ring lasts approximately 5 to 7 days on a single charge. The included 200 mAh charging case can recharge it up to 13 times.
What is included in the package?
The package includes the Colmi R03 smart ring, a charging case, a USB-C cable, and a user manual.
15+ yearsLocal Latvian online store
Fast dispatchWithin 24h for in-stock items
Free deliveryFree parcel locker delivery from €35
Easy returnsWarranty and simple returns
32.60 €







