Take Care of Your Health: C17 activity trackers with heart rate monitor, blood pressure, blood oxygen, sleep monitor. After connecting the APP, the C17 smart watch can record the menstrual cycle of women. After setting the details of your period date in the app, the watch will remind you in advance to prepare for your next period and ovulation. The best gift for your family, wife, girlfriend.Up to 20 Sports Modes: The C17 fitness tracker has 20 sports modes: Football, Skiing, Swimming etc, which can satisfy your different sports styles. After connecting the DaFit app, you can track your data in real time while running, such as steps, distance, calories, BPM. You can also see your sports route on App, you can even use C17 sports watch for Music Control, check weather, bring you better sports experience!Crystal Display and Personalized Dial: The C17 smart watch has a 1.71 "TFT touch screen with a resolution of 280 * 320. The high-sensitivity Full-Touch screen allows you to switch at will effortlessly and without lag . The C17 smartwatch offers you up to 73 different watch faces. Do you want to freely set your watch face? Yes! The smartwatch can also support setting your favorite photo in the phone as a watch face!Start Smart Life: C17 activity trackers support SMS and SNS notifications, such as incoming calls, Facebook, WhatsApp, Twitter etc. Wear it! You won't miss any information, even if your phone is not there. The C17 smartwatch incorporates a 220mAh battery. Up to 35 days of standby and 7 days of use with just 2 hours of charge. It can satisfy your different usage needs, without having to recharge it frequently.Waterproof IP68 and Multiple Functions: C17 fitness trackers support IP68 waterproof. You can wear it by hand washing or even swimming without worrying about flooded damaged (Note: the watch does not prevent hot water and sea water). This C17 smartwatch is compatible with Android6.0 & IOS9.0 and above and Bluetooth 5.0. After connecting the DaFit app, you will get more functions. Like controlling music, finding device, alarm clock, remote photography etc.