Bingo F1s smart band fitness band black  (Black Strap, Size : 3.5)

Bingo F1S smart band - the all new heart rate and fitness wristband built for all-day, workouts and beyond. Pure pulse continuous heart rate makes it easy to maximize workouts, better track calorie burn and get a snapshot of your cardio fitness level, while all day activity and auto sleep tracking, lets you see how your whole routine adds up. Record your workouts with multi-sport modes to see real-time workout stats on screen or rely on smart track to automatically record select exercises for you. It is compatible to phone operation system should be IOS 7.0& Above or Android 4.4 & Above and the Bluetooth is 4.0 & Above.