Features: [Health Monitor] Monitor and feedback your physical changes of heart rate, blood pressure and blood oxygen via precise sensor and optical algorithm.  [Sleep Monitor] Provides a tracking of light and deep sleep as well as heart rate durin gsleep to help building better bedtime habits.  [Multiple Workout Modes] Accurately tracks your different activities like walking, hiking, running, free exercise, cycling and swing.  [Smart Reminder] Provides reminders of social app notifications, calls, SMS, alarm clock, drink water, sedentary and more.  [Multilanguage Supported] Pre-installing 20 languages, and the notification reminder supports up to 247 languages.  [User-Defined Watch Faces] You can set your favorite watch face from photo gallery. Create and edit your style from now on.  [IP67 Waterproof] Offer protection from temporary submersion from water and splashes. All right to wear it for daily use or outdoor exercise.  [More Functions] Music control, remote shutter, mini game, calculator, alarm clock, stopwatch, weather, OTA upgrade, etc.   Note: *Please download and install the App Qwatch via the QR code in the user manual to enjoy the complete functions of the watch.  *IP67 Waterproof: Not for deep dives in water and do not wear it when taking hot shower or sauna.  Parameters: Screen Size: 1.3 Inch IPS Color Full Touchscreen;  Resolution: 240*240;  BT: BT4.0;  Compatibility: Compatible with Android 4.4 or later, iOS 8.2 or later;  Battery Type: Lithium Polymer Battery;  Battery Capacity: 180 mAh;  App: Qwatch;  Functions: Multiple Workout Modes, Pedometer (calories, mileage), Heart Rate/Blood Pressure/Sleep/Blood Oxygen Monitor, Alarm Clock, Drink Water/Sedentary Reminder, Notification/Calls/SMS Reminder, Calculator, Mini Game, Lift-wrist-to-brighten, Find My Phone, OTA Upgrade, Stopwatch, Weather.   Specifications: Material: Metal+Silicone;  Color: Black / Gold / Pink (optional);  Water-Resistant Level: IP67;  Dial Size: 41*35mm / 1.61*1.37in;  Dial Thickness: 10.3mm / 0.4in;  Item Weight: 40g / 1.41oz;  Package Size: 14.3*7*2.5cm / 5.62*2.75*0.98in;  Package Weight: 70g / 2.46oz;   Packing List: 1 * Watch;  1 * Charging Cradle;  1 * User Manual