Features: Remote Camera: a brand new way to treasure the very moment of your life. IP68 Water-resistance: great companion throughout your adventures, perfect choice for outdoor activities. Call Message Reminder: get notification of calls and apps when connecting phone, never miss anything important. Multi-function Sports Watch: precise sports sensor records your steps, calories, mileage, heart rate and blood pressure. Multiple sport modes include running, bike riding, swimming, tennis,and more. More Practical Functions: sleep monitor, sedentary reminder, stopwatch, alarm clock, do not disturb, two-way lookup, music control, real-time weather. Note: working time varies with use and other factors. Parameters: Screen: 1.4 IPS BT: BT 5.0 Compatibility: Android 4.4 / iOS 8.0 or later Built-in Battery: 3.7V 200mAh Lithium-ion Polymer Battery Charging Time: 3-4 Hours Standby Time: 3 Weeks Normal Use: 10 Days Waterproof Grade: IP68 Functions: Calorie Counter, Stopwatch, Remote Camera, Call Reminder, Message Reminder, Sedentary Reminder, Pedometer, Distance Tracking, Alarm Clock, Heart Rate BP Monitor, Sleep Monitor,Do Not Disturb, Music Control, Real-time Weather.