The stylish COLMI R12 smart ring combines elegant design with smart features. It offers a LED display for a quick view of time, steps, heart rate, and battery, 24/7 health monitoring (heart rate, SpO₂, sleep, stress), sports modes, and gesture control for your phone. Thanks to 1ATM water resistance, you can use it while swimming, and the battery lasts up to 5 days (up to 15 days on standby). Charging is easy via the included USB‑C charging dock.
LED display for quick checks
See time, step count, heart rate, and battery level right on your finger—no need to pull out your phone. Ideal for sports, travel, and work.
24/7 health and fitness monitoring
Advanced sensors measure heart rate, SpO₂, sleep, stress, and HRV. Data syncs to the QRing app for clear charts and stats.
Gesture control and remote shooting
Use simple gestures to skip videos, control music, or take a photo remotely. Handy when your hands are full or during workouts.
The COLMI R12 is a next‑generation smart ring that discreetly delivers key information right on your finger. The integrated LED display shows the time, steps, battery status, and current heart rate, so you can keep your phone in your pocket during training, commuting, or meetings.
Advanced sensors continuously track heart rate, blood oxygen (SpO₂), sleep, and stress levels. The QRing app provides clear charts and statistics to better plan recovery and performance. You also get multiple sports modes, automatic workout logging, and convenient gesture controls—from scrolling short videos to remote shooting.
A durable design with 1ATM water resistance handles showers and swimming. Lightweight stainless steel with epoxy resin weighs just 4.7 g and is comfortable all day. The battery lasts 3–5 days (up to 15 days on standby) and charges via the included magnetic USB‑C dock.
- LED display on your finger: instant view of time, steps, heart rate, and battery.
- 24/7 health monitoring: heart rate, SpO₂, sleep, stress, HRV.
- Sports modes and stats: steps, distance, calories, workout time.
- Gestures and smart features: app control, remote photos, ring finder.
- 1ATM water resistance: suitable for shower and pool.
- Lightweight and comfortable: only 4.7 g, size 9 (inner diameter 19.1 mm).
Specifications
- Manufacturer
- COLMI
- Model
- R12
- Size
- 9
- Inner diameter
- 19.1 mm
- Color
- Black
- Display
- time, steps, heart rate, battery level
- Material
- stainless steel + epoxy resin
- Weight
- 4.7 g
- OS compatibility
- Android 4.4 and above; iOS 8.0 and above; HarmonyOS
- App
- QRing
- Water resistance
- 1ATM
- Updates
- OTA
- App languages
- Czech, Slovak, English, and more (multilingual support)
- Chipset
- Realtek RTL8762E
- Flash memory
- ROM 512 Kb
- Heart rate sensor
- Vcare VC30F
- G‑sensor
- ST LI2DOC
- Bluetooth
- 5.0
- Battery type
- lithium‑polymer
- Battery capacity
- 15 mAh
- Charging
- charging dock + USB‑C cable
- Charging cycles
- more than 300
- Charging time
- approx. 1 hour
- Operating time
- 3–5 days (up to 15 days standby)
- Sports and health features
- activity, steps, distance, calories, sleep, heart rate, HRV, SpO₂, stress, sports modes, workout log
- Smart features
- gesture control (music, short videos, e‑books), remote shooting, ring finder, repetition counter (tasbih), low battery alerts, display settings (brightness, screen‑on time), software updates
- Package contents
- smart ring, charging dock, USB‑C to USB‑C cable, user manual
