Message Notification Once logged in, you will receive the notification for incoming calls, SMS and APP messages (Call, SMS, Facebook, Twitter, Instagram ...). Heart Rate Monitor Use heart rate tracking to better measure your burnt calories and sleep, adjust your effort during sports. Waterproof IP68 waterproof up to 50m, you can wear the smartwatch when swimming and bathing without worry. Autonomy up to 7 days of battery life, standby time is about 30 days Stopwatch precise timing, can be used in sports, competitions, cooking, etc. Features Activity Trackers (Pedometer, Distance, Calories), Heart Rate Monitor, Women's Health, Shared GPS, Multiple Sport Modes, Sleep Tracker, Message Notification (Call, SMS, Facebook, Twitter, Instagram ...), Control Music, Sedentary Reminder, Alarm, Stopwatches, Find Phone, Breathe Guide, Waterproof IP68, Wrist Sense, Color Screen. Compatible & Guarantee The smartwatch compatible with Android 4.4 minimum and iOS 8.1 minimum.