Activity bracelet with many training modes: running, jogging, cycling, hiking, fitness, treadmill… Health monitoring (sleep monitoring, 24-hour heart rate monitoring , blood pressure, sedentary reminder) Activity tracking (pedometer, rangefinder, GPS tracking pedometer, ) Notifications: Supports app-related reminders such as calls, SMS, Email, Facebook, Twitter, WhatsApp, Line, Skype, etc. Messages are previewed on the watch. Alarm notification, motion reminder alarm, wrist sensor, screen brightness adjustment, calls and SNS alarm. Download “Hero band III” from your phone, connect the watch to the phone via APP, instead of Bluetooth, compatible with IOS 9.0 or Android 4.4 or above, Bluetooth 5.0 or above. Voice and time synchronization. (Smartphone only, not for iPad, tablet or PC).