Smart Ring Colmi R10 18.3 mm Size 8, Black
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The Colmi R10 is a smart ring designed for round-the-clock health and activity tracking, syncing real-time data seamlessly via the QRing app.
Key Features
- Monitors heart rate, blood oxygen (SpO₂), stress levels, and body temperature
- Tracks steps, distance, calories burned, and supports 21 exercise modes
- Detailed sleep duration and phase analysis
- 5ATM water resistance rating for showers and swimming
- Includes a 200 mAh portable charging case
| Manufacturer | Colmi |
|---|---|
| Model | R10 |
| Size | 8 |
| Inner diameter | 18.3 mm |
| Thickness | 2.7 mm |
| Weight | 4.7 g |
| Color | Black |
| Water resistance | 5ATM |
| Bluetooth | 5.0 |
| Ring battery capacity | 15 mA |
| Case battery capacity | 200 mAh |
| Operating time | 3-5 days |
| App | QRing |
| Compatibility | Android 4.4 and above; iOS 8.0 and above; Harmony OS |
| EAN | 6972436986330 |
|---|
What is the inner diameter of size 8?
The inner diameter of size 8 for the Colmi R10 is 18.3 mm.
What is the battery life of the smart ring?
The ring operates for approximately 3 to 5 days on a single charge, depending on usage intensity.
What items are included in the package?
The package includes the smart ring, charging case, USB-A to USB-C cable, and user manual.











