COLMI R12 - Smart Ring for Sleep, Sport & Health
track your heart rate, sleep, SPO², and physical activity from the app, without a bulky watch on your wrist
size guide
✦ Size Guide — COLMI R12
| Size | Diameter (mm) |
Finger circumference (mm) |
|---|---|---|
| 7# | 17,9 | 55 |
| 8# | 18,3 | 57,5 |
| 9# | 19,1 | 60 |
| 10# | 20 | 62,8 |
| 11# | 20,8 | 65,4 |
| 12# | 21,6 | 67,9 |
| 13# | 22,3 | 70 |
* All dimensions have a measurement tolerance of ± 0.2 mm.
📏 How to measure your finger?
Wrap a string or strip of paper around your finger, measure the length obtained, then compare it with the table above.
💡 When in doubt, choose the larger size.
description
Technology at Your Fingertips
Imagine an entire day without taking your phone out of your pocket — your health data, sports performance, sleep quality, everything is there, discreet and elegant, around your finger. That's exactly what the COLMI R12 offers.
✦ Key Features
- ⌚ Integrated Display Screen — Check the time, your stats, and notifications with a glance
- 👆 Intuitive Touch Interface — Smooth navigation directly on the ring
- 🔋 Wireless Charging — Place, charge, go. No cables, no hassle
- ❤️ Comprehensive Health Tracking — Heart rate, SpO2, sleep quality, and stress level
- 🏃 Advanced Sports Tracking — Real-time cardio, calories, distance, and physical activity
- 🌙 Sleep Analysis — Deep sleep, REM sleep phases, and recovery score
- 💧 5 ATM Waterproof — Resists rain, showering, and swimming up to 50 meters
- 🚻 Universal Design — Designed for men and women, available in Gold, Black, and Silver
✦ For Athletes
Whether you're running, logging gym sessions, or cycling, the COLMI R12 records every effort. Check your maximum heart rate, calories burned, and activity directly on the dedicated app — without ever taking out your phone.
✦ Your Sleep, Finally Understood
The R12 continuously analyzes your sleep phases — light, deep, and REM sleep — and assigns you a recovery score each morning. Wake up with a clear understanding of your night and adjust your habits to perform daily.
✦ Your Health, in Real-Time
Heart rate, blood oxygen levels (SpO2), and stress levels are continuously monitored. The COLMI R12 helps you better track your daily data — because taking care of yourself should never be complicated.
✦ Compatibility & Usage
- 📱 Compatible with iOS and Android
- 🔗 Connects via Bluetooth 5.0
- 📲 Qring App — comprehensive tracking, history, and personalized recommendations
- ⚖️ Ultra-lightweight: approx. 3.3 g
- 🔋 Battery: 15 mAh (sizes 7-9) / 18
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