Techmade Joy Collection| Blue| Features: | Pedometer, clock, alarm, calories, distance, call alert, notifications, sleep monitor (sleep quality control), sedentary reminder, wrist sense, Heart rate | Compatibility: | Smartphone iOS 11.0 o v.s. e Android 6.0 o v.s || Connect FREETIME to your smartphone via Bluetooth, synchronize it and you're ready to monitor your physical activity and receive notifications in real time