{"product_id":"smart-fitness-ring-hrv-sleep-tracking-heart-rate-monitor","title":"Smart Fitness Ring – HRV, Sleep Tracking \u0026 Heart Rate Monitor","description":"\u003ch2\u003eThe Smart Ring That Tracks Your Recovery — 24\/7 Biometric Monitoring\u003c\/h2\u003e\n\u003cp\u003eThe Smart Fitness Ring packs advanced health sensors into a sleek titanium band worn on your finger. Track heart rate variability (HRV), sleep stages, oxygen saturation (SpO2), body temperature, and activity — all without a screen on your wrist. An Oura Ring alternative at a fraction of the cost, with no monthly subscription.\u003c\/p\u003e\n\u003ch3\u003eWhy Buy This?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOura Ring (€349 + €6\/month subscription) alternative — no subscription, fraction of the price\u003c\/li\u003e\n\u003cli\u003eTracks HRV, sleep quality, SpO2, body temperature, and steps\u003c\/li\u003e\n\u003cli\u003eVirtually invisible compared to a smartwatch — wear it at work, gym, or sleep\u003c\/li\u003e\n\u003cli\u003e8-day battery life — charge once a week\u003c\/li\u003e\n\u003cli\u003eFull free app — sleep score, recovery score, readiness dashboard\u003c\/li\u003e\n\u003cli\u003eWater resistant to 50m — wear in shower, pool, or ocean\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSensors: HRV, heart rate, SpO2, skin temperature, accelerometer\u003c\/li\u003e\n\u003cli\u003eMaterial: titanium alloy | Weight: 3–4g (size-dependent)\u003c\/li\u003e\n\u003cli\u003eBattery life: 8 days | Charging: wireless magnetic charger\u003c\/li\u003e\n\u003cli\u003eWater resistance: 5ATM (50m)\u003c\/li\u003e\n\u003cli\u003eSizes: EU 6–13 (size kit included)\u003c\/li\u003e\n\u003cli\u003eApp: iOS \u0026amp; Android (free, no subscription)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Avenixo","offers":[{"title":"7 \/ Black","offer_id":58135608557903,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":true},{"title":"7 \/ Gold","offer_id":58135608590671,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"7 \/ Silver","offer_id":58135608623439,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"8 \/ Black","offer_id":58135608656207,"sku":"5","price":114.0,"currency_code":"EUR","in_stock":false},{"title":"8 \/ Gold","offer_id":58135608688975,"sku":"5","price":114.0,"currency_code":"EUR","in_stock":false},{"title":"8 \/ Silver","offer_id":58135608721743,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"9 \/ Black","offer_id":58135608754511,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"9 \/ Gold","offer_id":58135608787279,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"9 \/ Silver","offer_id":58135608820047,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"10 \/ Black","offer_id":58135608852815,"sku":"5","price":114.0,"currency_code":"EUR","in_stock":false},{"title":"10 \/ Gold","offer_id":58135608885583,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"10 \/ Silver","offer_id":58135608918351,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"11 \/ Black","offer_id":58135608951119,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"11 \/ Gold","offer_id":58135608983887,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"11 \/ Silver","offer_id":58135609016655,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"12 \/ Black","offer_id":58135609049423,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"12 \/ Gold","offer_id":58135609082191,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"12 \/ Silver","offer_id":58135609114959,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"13 \/ Black","offer_id":58135609147727,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"13 \/ Gold","offer_id":58135609180495,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false},{"title":"13 \/ Silver","offer_id":58135609213263,"sku":null,"price":114.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/8362\/8367\/files\/e21b465f5b206f73affff0fa5d1649c483916bb549c43d10f469989bba67f88c.png?v=1783148709","url":"https:\/\/avenixo.eu\/products\/smart-fitness-ring-hrv-sleep-tracking-heart-rate-monitor","provider":"Avenixo","version":"1.0","type":"link"}