{"product_id":"fitbit-sense-advanced-smartwatch-for-heart-health-stress-management-graphite-refurbished","title":"Fitbit Sense Fitness Smartwatch - Graphite (Refurbished)","description":"\u003cp\u003ePRODUCT OVERVIEW\u003c\/p\u003e\u003cp\u003eMeet Fitbit Sense, the advanced health smartwatch that helps you tune in to your body and guides you toward better health. Assess your heart for atrial fibrillation (Afib) with a compatible ECG app right on your wrist, track \u0026amp; manage stress, better understand your sleep quality and even keep an eye on patterns in your skin temperature. Plus, Sense unlocks a 6-month Fitbit Premium membership for new users which includes personalized tools like Daily Readiness—so you can do what's best for your body.\u003c\/p\u003e\u003cp\u003eKEY FEATURES\u003c\/p\u003e\u003cp\u003eEDA Scan app detects electrodermal activity which may indicate your body's response to stress and a built-in skin temperature sensor logs yours each night so you can see when it varies\u003c\/p\u003e\u003cp\u003eAssess your heart for atrial fibrillation –a heart rhythm irregularity- and easily share results with your doctor (The Fitbit ECG app is only available in select countries. Not intended for use by people under 22 years old.Operating temperature: 14° to 113°F\u003c\/p\u003e\u003cp\u003eAn on-wrist skin temperature sensor tracks yours each night so you can see how it varies. You can also see your nightly blood oxygen levels at a glance with our collection of clock faces. Maximum operating altitude: 28,000ft\u003c\/p\u003e\u003cp\u003eHigh \u0026amp; low heart rate notifications alert you if yours seems above or below your average\u003c\/p\u003e\u003cp\u003eBattery lasts 6 plus days plus, fast charging gives you a full day’s charge in just 12 minutes (Varies with use and other factors; up to 12 hours with continuous GPS)\u003c\/p\u003e\u003cp\u003eUse built-in GPS during runs, hikes, rides, and more to see pace \u0026amp; distance without your phone, and use the built-in mic and speaker to take Bluetooth calls hands-free when your phone is nearby (Requires more frequent charging)\u003c\/p\u003e\u003cp\u003eUse Google Assistant or Amazon Alexa Built-in to get quick news, set bedtime reminders and alarms, control your smart home devices, and more just by speaking to your watch\u003c\/p\u003e","brand":"Fitbit","offers":[{"title":"Default Title","offer_id":44121285361901,"sku":"R29611182317","price":89.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0095\/0973\/2449\/files\/n29611182908.jpg?v=1770662288","url":"https:\/\/a4c.com\/products\/fitbit-sense-advanced-smartwatch-for-heart-health-stress-management-graphite-refurbished","provider":"A4C.com","version":"1.0","type":"link"}