This wearable activity tracker monitors your fitness with features like step count, distance, calorie tracking, sleep management, and sedentary reminders. It displays time, has event reminders, call and message notifications, and a vibrating alarm. It stores a week’s data, offers 15 days standby, and is compatible with iPhone 4S and up, iOS 7.0+, and Android 4.3+. It supports 13 languages including English, Spanish, and Chinese.