UP by Jawbone - Large - Mint (Discontinued by Manufacturer) UP is compatible with the Amazon Fire phone and many devices running Android 4.0 (Ice Cream Sandwich) or later and iOS 6.0 or later. Designed to be worn 24/7; up to 10 days of battery life Track your sleep: total hours light versus deep length of time to fall asleep Track your activity: steps distance calories burned time spent active versus idle Log what you eat / drink & track nutritional info UP is compatible with many devices running Android 4.0 (Ice Cream Sandwich) or later, and iOS 6.0 or later. Track your sleep: total hours, light vs. deep, length of time to fall asleep Track your activity: steps, distance, calories burned, time spent active vs. idle Log what you eat & drink & track nutritional info Free mobile app required