Fitbit Sense the advanced smartwatch focused on health that helps you tune in to your body and guides you toward a better well-being. Detect and manage stress get low and high heart rate alerts better understand your sleep quality and even keep an eye on patterns in your skin temperature. Of course you will have all the fitness features you love including in-built GPS and a long battery life with 6+ days. Sense also unlocks a 6-month free Fitbit Premium trial of personalised guidance and advanced insights for new Premium users. Plus all comes in a modern and premium design.