The COLMI R02 smart ring is a lightweight, discreet companion for everyday health and movement: it offers heart rate monitoring, SpO2 (blood oxygen saturation), automatic sleep analysis, and activity tracking including 21 sports modes. With Bluetooth 5.0 and the QRing app, you can keep your data clearly organized in one place, while IP68 water resistance and a charging case ensure comfortable use with battery life of up to 6–7 days.
Charging case for convenient charging and storage
Included in the package is a compact charging case that also serves as protective storage. Simply place the ring in its slot and charging starts via magnetic contacts – ideal for travel and everyday routines.
Integrated sensors for health monitoring
The inner side of the ring hides sensors for heart rate measurement and SpO2. Measurements run automatically in the background, so you get body data without having to constantly start functions manually.
Elegant smart ring with electronics hidden inside
The minimalist, glossy black design looks like jewelry, but inside it conceals electronics and contact surfaces for communication and charging. A great solution if you want smart features without a watch on your wrist.
COLMI R02 in size 9 (inner diameter 18.9 mm) is a smart ring designed for comfortable all-day wear. Thanks to its low weight and thin profile, it won’t get in your way at work, during sports, or while sleeping – while continuously collecting important data about your body.
The ring automatically tracks key health metrics and stores them even without being constantly connected to your phone. After syncing via Bluetooth 5.0 in the QRing app, you get an overview of long-term trends as well as daily results.
Main benefits:
- 24/7 monitoring of heart rate and SpO2
- Automatic sleep analysis (including phase detection)
- 21 sports modes and activity logging (steps, distance, calories, workout time)
- Charging case for easy storage and charging
- IP68 water resistance for everyday use
- Compatibility with Android, iOS, and HarmonyOS
Specifications
- Manufacturer
- COLMI
- Model
- R02
- Size
- 9
- Inner diameter
- 18.9 mm
- Circumference
- 59.5 mm
- Color
- black
- Outer material
- titanium alloy
- Inner material
- hypoallergenic resin
- Thickness
- 2.7 mm
- Weight
- approx. 4.7 g
- Health & monitoring features
- heart rate measurement, blood oxygen saturation (SpO2) measurement, sleep monitoring, activity monitoring
- Sports modes
- 21
- Recorded data
- activity time, distance, calories, heart rate
- Connection
- Bluetooth 5.0
- App
- QRing
- System compatibility
- Android 4.4 and later, iOS 8.0 and later, Harmony OS
- Charging case
- yes (charging and storage function)
- Water resistance
- IP68
