Prime Hall
Smart Ring, Multifunctional Smart Ring, Fashionable Bluetooth-compatible Smart Ring, Sports Ring for Women & Men
Smart Ring, Multifunctional Smart Ring, Fashionable Bluetooth-compatible Smart Ring, Sports Ring for Women & Men
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Introducing the R10 Smart Ring with Charging Case - the ultimate sleep monitor designed for both men and women. This innovative wearable has taken the market by storm, becoming the No.1 in sales, and it's easy to see why!

Note:
1. For optimal performance and accuracy, we recommend wearing the COLMI Ring on your index finger. If you prefer a different finger, the middle and ring fingers will also work. Please avoid using fingers that are narrower than the knuckles at the base.
2. Before purchasing, measure the circumference of your finger to ensure the fit is snug but not too tight. Use a thinner string or paper strip for the most accurate measurement.
3. To get started, simply charge the COLMI Ring using the included charging case. The heart rate light will illuminate to indicate a successful startup. Then, connect the COLMI Ring to the APP Qring.
3.1. Some models may have a protective film on the charging port; please remove it before charging.
3.2. If you purchased the charging case version, ensure you charge the case simultaneously during the first use.
Experience cutting-edge technology with the COLMI R10 Smart Ring. This sleek and stylish wearable not only enhances your health monitoring but also complements your modern lifestyle. With features like 24/7 heart rate tracking, sleep monitoring, and multi-sport activity tracking, you can stay informed about your health at all times. Its lightweight and comfortable design make it perfect for everyday wear, seamlessly blending functionality with fashion.
Worry less about wear and tear; the R10 Smart Ring is crafted with a titanium steel shell and advanced low-temperature potting technology, achieving an impressive 5ATM & IP68 waterproof rating. This means you can wear it during workouts, swimming, or even in the rain without a second thought!






















Purchase with confidence from the COLMI official store. Our authentic smart watches are engineered and manufactured using high-quality materials, thoroughly quality-tested before leaving our factory. Avoid counterfeit devices that may perform poorly or malfunction by ensuring you buy from our official store only.
Brand Story
Founded in 2012, COLMI stands for innovation and quality. Our slogan, "Your first smart watch," reflects our commitment to providing cost-effective smart electronics that are young and simple, yet never naive.
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Perfect product, fast shipping!
Considering the price, I'm very satisfied with these rings. Heart rate and blood O₂ readings are accurate, and sleep tracking reliably matches my other app.
Step tracking is inconsistent - sometimes accurate but often overcounts steps due to false positives from hand movements. The battery lasts about a week even with heart rate monitoring every 20 minutes.
The QRing app has a user-friendly layout and effectively displays data. However, unbinding the ring causes complete data loss since there's no backup option; adding data retention and backup features would be beneficial.
Additionally, auto-detecting activities would enhance usability, as exercise tracking currently requires manual input.
Overall, the ring offers good functionality and valuable information at a fraction of mainstream prices without subscription fees, making it a recommended first smart ring for its value and reasonable accuracy.
Works well, especially for the price. Connected to Gadgetbridge without a hitch to retain my data myself.











Perfect product, fast shipping!
Considering the price, I'm very satisfied with these rings. Heart rate and blood O₂ readings are accurate, and sleep tracking reliably matches my other app.
Step tracking is inconsistent - sometimes accurate but often overcounts steps due to false positives from hand movements. The battery lasts about a week even with heart rate monitoring every 20 minutes.
The QRing app has a user-friendly layout and effectively displays data. However, unbinding the ring causes complete data loss since there's no backup option; adding data retention and backup features would be beneficial.
Additionally, auto-detecting activities would enhance usability, as exercise tracking currently requires manual input.
Overall, the ring offers good functionality and valuable information at a fraction of mainstream prices without subscription fees, making it a recommended first smart ring for its value and reasonable accuracy.
Works well, especially for the price. Connected to Gadgetbridge without a hitch to retain my data myself.