Amazon Halo View Fitness Tracker Color Display Active Black Medium / Large Band (160-225mm) Sealed Retail Box Amazon Halo View Fitness Tracker Color Display Active Black Medium / Large Band (160-225mm) Details: Halo View features a color display for at-a-glance access to heart rate, activity, and sleep tracking, the Amazon Halo View Fitness Tracker helps you build a healthier lifestyle while keeping you connected. Featuring a color display for at-a-glance access to heart rate, activity, and sleep tracking, the Amazon Halo View Fitness Tracker helps you build a healthier lifestyle while keeping you connected. More than just counting steps ? Access key Halo health metrics like heart rate, Activity points, Sleep score, and on-demand blood oxygen levels on the Halo View color touch display Move better ? Get a Movement Assessment with the Halo app and a personalized exercise program to help improve your movement health over time Recharge and refuel ? Measure the quantity and quality of your sleep, and discover daily meditations and delicious recipes Discover more ? Access an ever-growing library of expert-backed, on-demand workouts and other ways to stay healthy Go deeper ? Measure your body fat percentage using just your smartphone camera and the Halo app and analyze your tone of voice with the Halo app On-the-go control ? Receive text notifications, start live workouts, and get move reminders right from your wrist Halo works with Alexa - Ask your Alexa-enabled device to tell you your health summary, activity score, sleep quality, and more. Main Specs - Operating system: iOS Android Processor: Arm Cortex-M33 CPU combined with a Cadence Xtensa Fusion F1 Audio Digital Signal Processor CPU Memory: 5MB RAM Rechargeable lithium ion battery Rechargeable battery life: up to 168 Hours Rechargeable battery charge time: 2 hours Water resistance: up to 50 meters Amazon Halo View Fitness Tracker Color Display Active Black Medium / Large Band (160-225mm) Highlights: More than just counting steps ? Access key Halo health metrics like heart rate, Activity points, Sleep score, and on-demand blood oxygen levels on the Halo View color touch display. Move better ? Get a Movement Assessment with the Halo app and a personalized exercise program to help improve your movement health over time. Recharge and refuel ? Measure the quantity and quality of your sleep, and discover daily meditations and delicious recipes from WW, Whole Foods Market, and more. Discover more ? Access an ever-growing library of expert-backed, on-demand workouts and other ways to stay healthy. Go deeper ? Measure your body fat percentage using just your smartphone camera and the Halo app and analyze your tone of voice with the Halo app. On-the-go control ? Receive call text notifications, control music, start live workouts, and get move reminders right from your wrist Halo works with Alexa ? Ask your Alexa-enabled device to tell you your health summary, activity score, sleep quality, and more. Visit settings within the Halo app and click on "Connect Alexa" to enable. Fast Free Shipping!