Ionic is built water resistant up to 50M and enhanced with swim tracking capabilities. Use swim mode to record your laps, duration and calories burned. Get dynamic on-screen workouts, automatically record exercises, plus uncover insights about your health with sleep stages and female health tracking in the Fitbit app. Well take care fitnesses tracker This one of the best fitness tracker you will buy in the market Battery condition: it will last 4-5 days depends on how you will use but usually it last 3-days. Apps you can download : google app or Apple store الحالة مستعمل