{"product_id":"smart-ring","title":"Northaven Smart Ring","description":"\u003ch2\u003eThe tracker you forget you're wearing\u003c\/h2\u003e\u003cp\u003eA titanium-shell ring that reads heart rate, blood oxygen and sleep continuously, with no screen to check and no strap to charge every night.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDays, not hours, between charges\u003c\/strong\u003e — the case tops it up on the move\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleep tracking that survives the night\u003c\/strong\u003e — nothing digging into your wrist, so you actually keep it on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5ATM and IP68 rated\u003c\/strong\u003e — showers, swimming, washing up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 exercise modes\u003c\/strong\u003e — heart rate recorded live through a session\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGetting the size right\u003c\/h3\u003e\u003cp\u003eMeasure your finger before ordering — ring sizing here does not always match standard charts. Wear it on your index finger for the most accurate readings; middle and ring fingers also work. Avoid any finger narrower at the base than at the knuckle.\u003c\/p\u003e\u003ch3\u003eShipping\u003c\/h3\u003e\u003cp\u003eFree shipping. Most orders arrive in \u003cstrong\u003e10-20 business days\u003c\/strong\u003e, tracked from dispatch.\u003c\/p\u003e\u003ch3\u003eQuestions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhich app does it use?\u003c\/strong\u003e\u003cbr\u003eQRing, on iOS and Android. Charge the ring first — the heart rate light confirms it has powered up — then pair.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a medical device?\u003c\/strong\u003e\u003cbr\u003eNo. It tracks trends in heart rate, oxygen saturation and sleep. It is not a diagnostic tool and should not be used as one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I wear it lifting?\u003c\/strong\u003e\u003cbr\u003eTitanium is hard but a loaded barbell is harder. Take it off for heavy barbell work.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does delivery take?\u003c\/strong\u003e\u003cbr\u003e10-20 business days, tracked.\u003c\/p\u003e","brand":"Northaven","offers":[{"title":"Gold \/ 9","offer_id":54524481437971,"sku":"8b6c04e0-24fc-4cc7-9a84-66b71d7079df","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/3830\/7347\/files\/e4ce55a47d4bfd99098af7ffd829c09c.jpg?v=1785791929","url":"https:\/\/northavenmarket.com\/products\/smart-ring","provider":"Northaven","version":"1.0","type":"link"}