COLMI R02 Smart Ring with Charging Case, Size 12, 21.3 mm, Black
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The COLMI R02 in size 12 (21.3 mm inner diameter) is a lightweight smart ring designed for continuous health tracking and daily activity monitoring.
Key Features
- Automatic monitoring of heart rate and blood oxygen saturation (SpO2)
- Sleep analysis tracking sleep stages and total rest duration
- 21 sports modes recording steps, distance, calories, and workout duration
- Durable titanium alloy outer shell with a hypoallergenic resin inner layer
- IP68 water resistance rating for everyday use
- 6–7 days of battery life with approximately 1 hour full charge time
- Includes a dedicated charging case and magnetic cable
| Manufacturer | COLMI |
|---|---|
| Model | R02 |
| Size | 12 |
| Inner diameter | 21.3 mm |
| Color | Black |
| Outer material | Titanium alloy |
| Inner material | Hypoallergenic resin |
| Thickness | 2.7 mm |
| Weight | approx. 4.7 g |
| Sports modes | 21 |
| Connectivity | Bluetooth 5.0 |
| App | QRing |
| Compatibility | Android 4.4 and later, iOS 8.0 and later, Harmony OS |
| Water resistance | IP68 |
| EAN | 6972436985906 |
|---|
What is included in the box?
The package includes the COLMI R02 ring, a charging case, a magnetic cable, and a user manual.
How long does the battery last and how long does it take to charge?
The ring offers a battery life of 6–7 days on a single charge and takes approximately 1 hour to fully charge.
Which operating systems are compatible with the ring?
The ring connects via the QRing app and supports Android 4.4 or later, iOS 8.0 or later, and Harmony OS.
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