Main Features GT103 Smart Watch Waterproof Heart Rate Monitor Fitness Tracker Control Music Blood Pressure Sleep Monitor Sport Watch,Men watch ,fitness watch for IOS Android TOP 1: blood pressure, real-time measurement of oxygen in the blood. TOP 2: Heart Rate Monitor: By the green optical sensor, Analyze blood flow under the skin and improper heart rate in real time, Avoid excessive heart rate caused by unproper exercise. TOP 3: Replace the strap: this smart watch's strap is easy to replace TOP 4: SMS: Bluetooth Push Notifications. Leave your phone in your pocket and view notifications on your wrist. When you receive message, it has notification but can not text message via the watch. TOP 5: Remote Camera: Under the condition that the mobile phone have been locked up, click remote camera on the watch and could preview it. Remote control phone to take picture. TOP 6: Bluetooth Music: Enjoy convenience on music controlling during exercise. TOP 7: Big Battery Capacity: longtime standby. TOP 8: Raise LCD on: raise your hand and the screen will on. TOP 9: Alarm: Set an alarm to remind. Special Features Waterproof IP67 waterproof Heart Rate Monitor Support Blood Pressure Monitor Support Blood Oxygen Monitor Support Sleep Monitor Support Multi-sport Modes Support walking, running, cycling, Football, Rope Skipping, Badminton, Basketball, Swiming 8 sports modes. Pedometer Support Call or Message Reminder Support Call ID Display Support Notification Support Alert Type Vibration Stopwatch Support Auto Light-up Screen Support 12h / 24h Time Setting Support Other Functions Support Alarm,Calender,Sedentary reminder,Camera remote control,Anti-lost,Weather Display,Music Control Specification