Fitness Tracker Blimark 2018 Upgraded Fitness Watch Activity Tracker Heart Rate Monitor Watch IP67 Waterproof for Sleep Monitor Pedometer Step Calorie Counter SMS Call Sedentary Remind for Android IOS HEART RATE MONITOR & BUILT-IN GPS & SEDENTARY ALERT 24-hour automatic monitor your heart rate data with photoplethysmography principle& heart rate monitoringalgorithm. Get real-time data on watch,heart rate curve on app to help you better understand your health. Built-in GPS track your workout routes .When you sedentary, It reminds you for a break. SLEEP MONITOR & VIBRATION CLOCK Automatically tracks your sleep duration, sleep stages. The fitness tracker will analysis sleep quality data with deep sleep,light sleep &awake time via heart rate monitoring. Your sweekly&monthly sleep quality is analyzed by sleep trend chart.The silent vibration clock alarm wakes you up without disturb other. CALL & MESSAGE NOTIFICATION You will get instant messages & call notification on fitness tracker after it connected to your smartphone APP, Notification including call,SMS & social app message: Facebook,Twitter,Snapchat,WhatsApp,Instagram,Linkedin,etc. 14 SMART FUNCTIONS & IP67 WATERPROOF Time display,Remote Control Phone Camera,Clock Alarm,Anti-lost Vibrate,Pedometer Step Counter,Distance Counter,Calories Burned Monitor,Find Wrist Sense,Sports Target Setting,Battery indication. Waterproof IP67,Anti-rain,Waterproof Splash,Sweat Proof,etc. MULTI COMPATIBILITY & LONG-LASTING BATTERY & BUILT IN USB PLUG &ONE FREE REPLACEMENT WRISTBANDApp supports Bluetooth 4.0 & above; IOS 7.1 & above; Android 4.4 & above. With 3D acceleration sensor, More accurate . 1-1.5hours Charge,standby:7-10 days. Built-in USB plug: easy charge no need charging cable.To avoid the overloaded current,Please use your mobile charge adaptor to charge, not charge directly with your computer.One pair blue replaceable wristband for you.