H28 Waterproof Sport Bracelets Watch, android smart bracelet watch fitness tracker. Main Features: 1. Smart Reminder: Daily exercise goal, Message Reminder, Call Reminder, Sedentary Reminder, Alarm Reminder (multiple), Menstrual Reminder, Schedule Reminder...ect 2. Health Monitoring:Multi-motion mode, Step monitoring, Heart rate monitoring, Blood pressure monitoring, Blood Oxygen Test, Sleep monitoring, Data view... 3. Independent Function: Activity Tracking, Dynamic Heart Rate, Blood Pressure, Blood Oxygen, Vioce assistant, Timer and Stopwatch, Music Control, Sports Record, Alarm, Message, Find Phone...ect 4. Personalized Setting:Display setting, Gesture setting, Watch face setting, Flight mode, Power saving mode...ect