Comprehensive Health Metrics Monitoring This slim, easy-to-use fitness tracker packs heart rate, blood pressure, blood oxygen, and body temperaure monitoring.You could check those real-time health metrics anytime, anywhere conveniently on your wrist and check all-day data record in APP DayBand. With app DayBand, you could turn on continous 24/7 heart rate tracking, and fixed time blood oxygen and body temperature tracking. Providing you complete information to help you manage your well-being. Intelligent Sleep Monitoring and AnalysisGet a better understanding of your sleep quality each night with graphs in APP that record your fall asleep and awake time, duration of light sleep and deep sleep. The fitness watch analysis your sleep data and provide you suggestions to help you improving your sleep habits. You could set silent alarms that wake you up by buzzing on your wrist in without disturbing others.You could also view your daily, weekly and monthly sleep data in the DayBand APP. All-day Activity Tracking and Multiple Sports ModesBestinn activity & fitness trackers track all days activity including steps, distance and calories burned to help you achieve your fitness goals more efficiently. Besides, it could tracks 5 specific sports mode such as runinng, cycling and skipping for real-time heart rate, steps, distance, calories burned, time of duration. You could get a map of your workout route and pace in app during outdoor activity by connecting to your phone gps. Real-time Calls and Messages NotificationReceiving a buzzing notification on your wrist for incoming calls, text and app messages including Facebook,Twitter, WhatsApp, Messenger and more. For inconing calls, you coulld check the callers name or phone number on the smart watch to decide whether you need to reach out for your phone to answer the call or not. For text and app messages, except for a buzzing notification, you could also read the whole messages on your watch directly. Your Convenient Life AssistantThe versatile design of the fitness trackers for women and men provide you more features including real-time whether display, sedentary reminder, remote camerall shooting, and finding phone, making it a convenient assitant in your life. Its hd color screen comes with 3 different home screen style options, 12-hour or 24-hour time display format options, and or temperrature dispaly options, set one style that fits your routines mostly. Easy to Charge and Wide CompatibilityBuilt-in USB-plug enables easy charging. Simply plug the activity smartwatch into any USB-charging port to charge. No charging cable is Required.Enjoy 5 days of battery life on a full charge with 1.5Hrs charging time.The smartwatches are compatible with Android 4.4 / iOS 8.4 or above smartphones . Its durable, replaceable and washable strap with secure clasp is adjustable between mix 5.0in and max 9.45in, offering perfect fit for women, men and kids. Customize your own watch faceset one that fit your style most: