QALO - SR-2 Smart Ring - No Subscription Health, Fitness, Sleep & Women’s Health Tracker - Size Before You Buy - Size 12 - Silver - (2025)
Model: SR-2
SKU: 11448093
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Meet QRNT Slim, the next-generation Smart Ring by QALO. QRNT (pronounced “current”) stands for QALO Ring with NanoTechnology, and it’s equipped with 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 your progress is 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
At just 2.2mm, the QALO SR-2 is 25% thinner than the original SR-1 and built to disappear on your finger. Featherlight and durable, it’s designed to go with you through workouts, showers and sleep without compromise.
QALO SR-2 uses a unique sizing system that differs from standard jewelry rings and other smart rings. Its raised sensors sit close to your skin for accurate readings, so it fits more snug. Use the QALO sizing chart in the product images before you order, and if you are between sizes, size up to account for natural finger swelling and knuckle width.
Better health shouldn’t be a luxury. That’s why every QALO SR-2 feature, from sleep and vitals to women’s health, is included in the free QALO app for iOS and Android with no subscription and no monthly fees. Buy the ring once and get full access to your insights. The SR-2 is also eligible for purchase with HSA or FSA funds, making better health even more accessible.
Monitor heart rate, HRV, SpO2, stress and skin temperature, plus steps, calories, distance and automatic activity detection. Track awake, light, deep and REM sleep with a daily Sleep Score, and see it all come together in Q Score, your simple daily snapshot of sleep, movement and vitality.
Designed with women’s health in mind. Skin temperature and heart rate trends power period and fertile-window predictions, with phase-based insights across all four cycle phases, plus symptom logging and a daily journal. All included, no subscription.
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