Crafted from lightweight aluminum with stainless steel accents, it fits seamlessly into your life by automatically tracking steps, distance, and sleep duration and quality.Crafted from lightweight aluminum with stainless steel accents, it fits seamlessly into your life by automatically tracking steps, distance, and sleep duration and quality.Crafted from lightweight aluminum with stainless steel accents, it fits seamlessly into your life by automatically tracking steps, distance, and sleep duration and quality.Crafted from lightweight aluminum with stainless steel accents, it fits seamlessly into your life by automatically tracking steps, distance, and sleep duration and quality.