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It still has all the great features the first-gen Sense offered, like built-in GPS for hikes, biking and driving. You can also see your nightly blood oxygen levels at a glance. Besides keeping a close eye on atrial fibrillation (heart rate irregularities), this Fitbit includes a cEDA sensor that detects electrodermal activity, which often correlates to your body's response to stress. This is the second generation of Fitbit's health-focused smartwatch, and the updated interface return of the physical navigation button make this wearable particularly appealing - especially at this price. If you see inaccuracies in our content, please report the mistake via this form.With tools to monitor heart health, stress management and even skin temperature, this is a bit like having a medical assistant around your wrist at all times. If we have made an error or published misleading information, we will correct or clarify the article.
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Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services.
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