COLMI R12 Smart Ring with Display
Delivery & Returns
Estimated Arrival:
Free Shipping: $50+
Easy Returns: 14 days hassle-free
Secure Shopping
Experience the COLMI R12 Smart Ring, designed for seamless daily wear with its lightweight, comfortable fit and 5ATM waterproof rating. Stay connected and informed with its intelligent display and precision sensor monitoring technology. Enjoy effortless wireless charging and comprehensive health management features that keep you in control of your wellness anytime, anywhere.
General Information
- Brand: COLMI
- Model: R12
- Color Options: Black, Rose Gold, Silver
- Connectivity App: QRing
Build & Design
- Case Material: Stainless Steel + Epoxy Resin
- Display Screen: Yes, Intelligent Touch Display
- Weight: About 3.3 g
Size Options (Diameter / Circumference)
- Size 7#: 1.79 cm / 0.71 in, 5.5 cm / 2.17 in
- Size 8#: 1.83 cm / 0.72 in, 5.75 cm / 2.26 in
- Size 9#: 1.91 cm / 0.75 in, 6 cm / 2.36 in
- Size 10#: 2.00 cm / 0.79 in, 6.28 cm / 2.47 in
- Size 11#: 2.08 cm / 0.82 in, 6.54 cm / 2.57 in
- Size 12#: 2.16 cm / 0.85 in, 6.79 cm / 2.67 in
- Size 13#: 2.23 cm / 0.88 in, 7.00 cm / 2.76 in
Battery & Charging
- Battery Capacity (Sizes 7#–9#): 15 mAh
- Battery Capacity (Sizes 10# and above): 18 mAh
- Charging Method: Wireless Charging with included dock (Type-C port)
Water Resistance
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Waterproof Grade: 5ATM (suitable for washing hands, shower, swimming)
Sensors & Chipset
- Chipset: RTL8762 ESF
- Heart Rate Sensor: Vcare VC30F-S
- Motion Sensor: ST LIS2DOC
Health Monitoring
- Heart Rate Monitoring
- Blood Oxygen Monitoring
- Sleep Monitoring
- Stress Monitoring
Activity Tracking
- Steps Tracker
- Distance Tracker
- Calorie Tracker
- Multi-sports Modes: Walking, Running, Cycling, Swimming
Additional Features
- Gesture Control (scroll, camera shutter)
- Real-time health data display on ring
Reliable Shipping – Guaranteed
At Devicean, we ensure your order arrives safely, on time, and hassle-free. Every shipment is fully protected so you can shop with confidence.
- Processing Time: 1–4 business days
- Delivery Time: 5–10 business days
- Shipping Fee: $3.99 flat rate – Free on orders over $50
- Order Tracking: Tracking link sent via email once your order ships
- Delivery Protection: We guarantee a full refund for packages lost, misdelivered, or sent to the wrong address due to our or the carrier’s error. If your order hasn’t been officially marked as lost by the carrier but still hasn’t arrived within 30 calendar days of shipping, we’ll consider it lost and issue a full refund automatically, no questions asked.
- Need Assistance? Contact us at help@devicean.com — we're here to help!
Worry-Free Returns & Happiness Guaranteed
Your satisfaction is our top priority. If you’re not happy with your purchase, we make returns easy and hassle-free.
- Return Period: Return items within 14 days of delivery for any reason.
- Condition: Items should be in original packaging with all accessories.
- Return Shipping: Free return shipping for damaged, defective, or incorrect items (our fault). Otherwise, return shipping costs may apply.
- How to Return: Email help@devicean.com or submit a request via your Devicean account.
- Refunds: Processed within 5–7 business days after we receive and inspect your return.
- Exchanges: Not offered — please return and place a new order for a different item.
- Need Help? Contact us anytime at help@devicean.com.
