GRV Smartwatch for men and women with phone function, fitness watch with heart rate monitoring, SpO2, pedometer, sleep monitor, multi training modes for iOS Android phone

["About Compatibility and Connection"] This smartwatch is compatible with smartphones running on IOS 9.0 and above, Android 6.0 and above, and Bluetooth 5.0 and above. The smartwatch connects via Bluetooth to the phone and can be used with the app specially designed for the smartwatch. The connection is quick and stable, and you don't have to worry about your privacy being compromised. ["Bluetooth Calls & Notifications"] Once the smartwatch is connected to the mobile phone, you can make/receive calls directly through the smartwatch with clear sound. The smartwatch can also receive caller reminders, calendar alerts, email, SMS notifications, Facebook, WhatsApp, and other social app notifications. It supports setting alarms, stopwatches, and countdowns. ["100+ Sports Modes and Daily Tracking"] The fitness watch offers 100+ different sports modes to meet all your indoor and outdoor sports requirements. The smartwatch uses highly accurate motion sensors, optimized sports algorithms, can accurately record your activity data throughout the day, help you better understand the value of personal activities, and make sports more efficient. ["About Health"] The smartwatch automatically monitors and records your heart rate and sleep data 24 hours a day, syncs with the app to display the heart rate chart and sleep trends, and helps you improve your sleep quality. In addition, there is a menstrual monitoring function to help women predict or remind them of the next menstruation and ovulation time and provide better care. ["DIY Watch Face and Battery Life"] The smartwatch supports custom watch faces, allowing you to upload your own image or choose a watch face from the app that can be selected for different scenarios and are more personalized. Deep optimization of battery performance. With a large capacity battery and intelligent power consumption algorithm, the watch can last up to 5 days, accompanying you longer.