Fitbit Alta HR™ is the world’s slimmest wrist-based, continuous heart rate tracking device combining the benefits of PurePulse® heart rate technology, automatic exercise recognition, sleep tracking, battery life of up to seven days and smart notifications in a slim, versatile design that is easily customized to fit your style.

Fitbit was able to bring its PurePulse heart rate tracking technology to Alta HR by developing a one-of-a-kind chip that reduced the size and number of components needed, achieving a 25% slimmer design than Fitbit Charge 2™. The result is a stylish device that offers all-day, continuous heart rate tracking, making it easier for you to make more informed decisions about your health. Alta HR measures calorie burn all day, including during non-step based exercise; shows resting heart rate on-device so users can work out at the right intensity for their health and fitness goals; and tracks sleep to provide deeper insight into your sleep quality and guidance on how to improve.

Alta HR offers a range of sleek and comfortable interchangeable accessories in genuine leather and stainless steel, making it versatile for any occasion.

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