Smartring Colmi R03 21.3MM 12 (Black)

Colmi R03 Smart Ring

The Colmi R03 smart ring provides access to health and workout reports through the QRing app. Its 5 ATM water resistance and resistance to corrosion and wear make it suitable for everyday use. The lightweight 4.7 g design is comfortable to wear. The included charging case stores the ring and recharges it.

Health Monitoring

The Colmi R03 monitors sleep, including sleep phases and quality, and measures heart rate around the clock to help track your body at rest and during exercise. It also measures blood oxygen saturation. Health data is available in the QRing app.

Workout Tracking

The ring records steps, calories burned and distance travelled, and offers 21 sports modes. With 5 ATM water resistance, it can be worn during intense workouts and swimming.

QRing App

The QRing app is compatible with Android and iOS. It displays health parameters and physical activity, and generates daily, weekly and monthly measurement reports. App features include a step counter, calorie counter, distance measurement, heart rate measurement, sleep monitoring, 21 sports modes, exercise logs, blood pressure measurement, blood oxygen saturation measurement, stress-level monitoring and remote photo capture.

Battery and Charging

The ring operates for approximately 5–7 days and takes about 1 hour to charge. Its charging case also stores the ring and can recharge it up to 13 times on a full charge.

Included

• Smart ring
• USB-C cable
• Charging case
• User manual

Specifications

• Manufacturer: Colmi
• Model: R03
• Color: Black
• Size: 12
• Main chipset: BlueX Micro RF03
• Memory: ROM 512 KB
• Heart-rate sensor: Vcare VC30F
• Accelerometer (G-sensor): STK8321
• Bluetooth: 5.0
• Ring battery: Lithium-polymer, 18 mAh
• Ring charging method: Magnetic
• Ring charging cycles: More than 300
• Ring charging time: Approximately 1 hour
• Operating time: 5–7 days
• Charging-case battery: Lithium-polymer, 200 mAh
• Charging-case charging method: USB-C
• Charging-case charging cycles: Approximately 300
• Charging-case charging time: Approximately 1 hour
• Inner diameter: 21.3 mm
• Material: Titanium alloy
• Weight: 4.7 g
• Charging-case dimensions: 43 × 43 × 25 mm
• Compatibility: Android 4.4 or later, iOS 8.0 or later, HarmonyOS
• App: QRing
• Water resistance: 5 ATM
• Updates: OTA
• Supported app languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean and Malay