m3 smart band blood pressure fitness tracker pedometer heart rate monitor smart bracelet wristband for ios android phone

1.it vibrates when you have a incoming call 2.calculating the calories ,steps and exercise distance by motion sensor 3.record and analysthe sleep data to know your sleep quality 4.take pictures when shaking the wristband 5.find the watch by app when you lost it somewhere around you 6.task alert:can create at most 3 tasks,will remind you by vibration or display 7.operation system requirement: android 4.3 or above, ios 7.0 or abov bluetooth version:v4.0ble