QALO - QRNT Original Smart Ring – Snug Fit – Size Up – Size 08 - Silver - (2025)

The QALO QRNT Original Smart Ring is a health-tracking smart ring designed with everyday people in mind and built with a snug fit to ensure accurate sensor readings and consistent performance. If you are between sizes, we recommend sizing up at least one full size and considering natural finger swelling and knuckle size for comfortable 24/7 wear. No matter where you are in your fitness, wellness, or health journey, QRNT can help you make measurable progress and be a little better tomorrow.

The MIRO R1 Ring is a lightweight (2.8g), stylish smart ring (sizes 7-13) crafted from SUS304 stainless steel with PVD coating. Powered by a Dialog DA14531 chip and Bluetooth 5.3, it offers advanced health monitoring: 95%+ accurate heart rate (Tianyi 3918 sensor), blood oxygen, and sleep tracking via the JRing app. Features include multi-sport GPS tracking (running, walking, cycling), precise step counting (>95% accuracy), and app-controlled camera/video functions. With 5ATM waterproofing, magnetic charging (1 hour), 7-10 day battery life (12-18mAh depending on size), and support for 28 languages via OTA-updatable app (Android 5.0+/iOS 10.0+), it's your ultimate wearable companion.

Meet QRNT Slim, the next-generation Smart Ring by QALO. Important Fit Note: QRNT Slim is designed with a snug fit to ensure optimal sensor accuracy and all-day performance. If you are between sizes, we strongly recommend sizing up at least one full size and accounting for natural finger swelling and knuckle size, especially if you plan to wear your ring 24/7. QRNT (pronounced “current”) stands for QALO Ring with NanoTechnology, and it features upgraded, ultra-precise sensors that deliver more health-tracking power in a 25% thinner, featherlight ring you’ll barely notice you’re wearing. With QRNT Slim, you can track key health metrics including sleep, stress, movement and workouts, heart rate variability (HRV), oxygen saturation (SpO2), skin temperature, women’s health, and more, all monitored in the free and secure QALO app designed to be empowering without ever feeling overwhelming. Access to the app is completely free with no subscription charges, and QRNT Slim is compatible with both Android and iOS devices.