Description of 💪 MGcool B3 / B4 Fitness Tracker Smart Band: Keep Track of Heart Rate, Activity, Sleep, and More!
【Splash waterproof, 0.96 “ Large-Size OLED Screen, 4 Customizable Clock Faces 】 With larger screen, the fitness tracker shows more details more clearly on the screen. 4 main interfaces for choose, suit your own taste. 【Intelligent, Automatic Real-time Heart Rate FitnessTracker 24/7】 Accurate optical sensor and advanced algorithms, enables heart rate continuously tracking all days long. Once wear it on, heart rate will record automatically, help to know your heart better. 【Multi-Functions Activity Tracker, Smart Reminder, Know Yourself Better】 Continuous HR/Sleep monitor, Steps/Calories/Distance counter; alarm, stopwatch, sedentary, call/SMS/SNS reminder, etc. Smart tracker for your fitness, help to know your body conditions and to form a healthy habit. 【Raise Wrist to Wake, In-depth Analysis For Training and Sleep 】Real-time information(CHR, steps ,distances, calories, sleep) shows on the screen everytime you raise your wrist up, and via Bluetooth synchronizing, the activity tracker will automatically form a daily/weekly/monthly In-depth Analysis, convenient and brilliant for your training and sleep health.