Fitbit Alta Fitness Tracker, Silver/Blue, Large (6.7 – 8.1 Inch) (US Version)

About this item Track steps, distance, calories burned and active minutes See stats and time with a bright OLED tap display;Battery life up to 5 days Automatically track how long and how well you sleep, and set a silent, vibrating alarm ; Personalize with interchangeable metal, leather and classic bands sold separately Get call, text and calendar notifications at a glance when phone is nearby Product information Collapse All Expand All Connectivity Item details Style Compatibility Feedback Would you like to tell us about a lower price? Additional details Display Battery Measurements