Smart Ring Colmi R02 – black, size 11










Smart Ring Colmi R02 – black, size 11

Smart health monitoring 24/7
Track heart rate, sleep quality, and blood oxygen saturation (SpO2) in real time. The QRing app provides clear reports and trends for better habits.

Sports modes and daily activity
Choose from 21 sports modes — walking, running, cycling, yoga, dancing, and more. It counts steps, calories, and distance, and motivates regular movement.

IP68 water resistance and long battery life
Unafraid of rain, showers, or swimming. It lasts up to 6 days on a single charge and recharges in about 1 hour with the magnetic cable.
The Colmi R02 is an elegant smart ring that combines advanced health tracking with comfortable wear. It monitors heart rate, sleep quality, and blood oxygen saturation (SpO2) to help you better understand your body. In the QRing app you will find detailed statistics and daily recommendations.
For an active lifestyle, it offers 21 sports modes, accurate measurement of steps, distance, and calories burned. Thanks to IP68 it handles rain, showers, and swimming, and with up to 6 days of battery life and magnetic charging it’s ready to go anytime.
Why choose Colmi R02:
- Comprehensive health: 24/7 heart rate, SpO2, detailed sleep analysis.
- Sport and movement: 21 modes, precise in-app statistics.
- Durable and light: IP68, weight only 4.4 g, thickness 2.7 mm.
- Stylish design: polished stainless steel outside, hypoallergenic resin inside.
Specifications
- Brand
- Colmi
- Model
- R02
- Color
- Black
- Main control unit
- RF03
- Bluetooth
- 5.0
- Battery capacity
- 17 mAh
- Battery life
- Up to 6 days
- Charging time
- Approximately 1 hour
- Charging method
- Magnetic charging
- Water resistance
- IP68
- App
- QRing
- Weight
- 4.4 g
- Size
- 11
- Diameter
- 20.6 mm
- Circumference
- 64.6 mm
- Body thickness
- 2.7 mm
- Outer material
- Polished stainless steel
- Inner material
- Hypoallergenic resin