Our smart watch is compatible with Android and iOS systems, which allows you to receive calls, messages and APP notifications. With functions of heart rate monitor, blood pressure and blood oxygen detection, scientific sleep, multi-sport mode, remote camera, menstrual cycle and so on, it's a perfect life assistant for you.Features:【Call, Message & APP Notification】Real-time synchronization reminder will never let you miss any important thing via smart watch. It supports incoming calls, messages and multiple push messages of many APPs.【Health Monitor】This smart watch monitors your real-time heart rate, blood pressure and blood oxygen, and records historical data in APP. It cares for your health and helps you live a healthy life.【Fitness Tracker】Preset multiple sports modes such as walking, running, climbing, cycling, basketball, etc. Professional sports data analysis can help you achieve your fitness goal and enjoy healthy exercise.【Scientific Sleep】Automatically monitors your sleep condition and analyze your sleep structure, it can help you adjust the ratio of work to rest time in time and get a healthier sleep state.【Remote Camera】With the watch on the wrist, you can easily take pictures in mobile phone after BT connection. Enjoy and capture every exicted and wonderful moment.【Menstrual Cycle】Records your physiological cycle data, displays your menstrual period, safety period and ovulation cycle in the APP, this watch cares for girls health and mood.【Multiple Reminders】Sedentary reminder reminds you to take a break regularly to improve your physical health. It also features water drinking reminder, meeting reminder, alarm clock and more.【IP67 Waterproof】Easy to handle with daily life use such as washing face, washing hands, being caught in the rain, etc. Not for taking hot bath or hot sauna.Parameters:CPU: STK8321Memory: 160KB RAM, 8MB ROMScreen: 1.14'' TFT Touch ScreenResolution: 240*135BT: Support BT 5.0Compatibility: Compatible with Android 4.4/ iOS 8.0 and aboveAPP: F FitHeart Rate Sensor: 3880Built-in Battery: 1 * 3.7V 90mAh Polymer Lithium BatterySupport Language: English, Chinese, German, Russian, Spanish, Portuguese, French, ItalianMain Functions: Heart Rate, Blood Pressure, Blood Oxygen, Multi-Sport Mode, Sleep Monitor, Sedentary Reminder, Water Drinking Reminder, Remote Camera, Incoming Call, Message & APP Push Synchronization, Menstrual Cycle, Alarm Clock, Stopwatch, etcSpecifications:Color: Black/ Silver/ Gold (Optional)Watch Case: Zinc AlloyDual Watch Strap: Leather Strap + Milanese StrapWaterproof Level: IP67Dial Size: 47.7 * 25 * 11.7mm / 1.9 * 1.0 * 0.5inWatch Band Width: 15mm / 0.6inWatch Perimeter: 230mm / 9.1in, 265mm / 10.4in (Milanese Strap)Package Size: 14.3 * 9.6 * 3.7cm / 5.6 * 3.8 * 1.5inPackage Weight: 181g / 6.4ozNote:1. Don't press any button in the water, and don't put it under water for a long time. Don't put it into hot water.2. Size and color may be slightly different because of manual measurement and different lighting conditions or monitors' setting, please in kind prevail. Thanks for understanding.3. Interface may be slightly different due to the system update, please in kind prevail. Thank you.Package List:1 * Smart Watch (with Leather Strap)1 * Replaceable Strap (Milanese)1 * USB Magnetic Charging Cable1 * User Manual