QALO - SR-2 Smart Ring - No Subscription Health, Fitness, Sleep & Women’s Health Tracker - Size Before You Buy - Size 13 - Gold - (2025)
Model: SR-2
SKU: 11448101
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Meet the QALO SR-2, our second-generation smart ring and a slimmer, featherlight way to track your health, fitness, sleep and recovery, with no subscription required. Sizing is important: QALO SR-2 uses a unique sizing system that differs from standard jewelry rings and other smart rings, so please use the QALO sizing chart in the product images before you buy. If you are between sizes, size up to account for natural finger swelling and knuckle width. At just 2.2mm thin, the SR-2 is 25% thinner than the original SR-1 and built to disappear on your finger, with up to 5 days of battery on a single charge. Upgraded sensors track heart rate, heart rate variability (HRV), blood oxygen (SpO2), stress, skin temperature, sleep stages, steps, calories, distance and workouts, while women’s health tracking provides insights across every cycle phase. Everything comes together in the free, secure QALO app for iOS and Android, because better health shouldn’t be a luxury. In the box: QALO SR-2 Smart Ring, charging case, USB-C charging cord, plus black and white silicone ring covers that add comfort, help protect the ring from everyday scratches and let you switch up your look.
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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