Smart Watch for Android iOS: This smart watch can work with most of the smart phones in the market, which only requires your phone's system is above Android 4.4 or IOS 8.0. Notifications for incoming calls, texts, calendars and apps can be viewed and read on this smart watch.Accurate Fitness Tracker: This fitness tracker does the basics like tracking steps, calories and sleep automatically, and will also track activities like running and cycling accurately with GPS using your phone. In addition, Smart Watch has an advanced HR sensor for efficient heart rate monitoring. The Fitness Watch also provides a comprehensive analysis of your sleep. (Deep sleep, light sleep and awake time)IP67 Watch Fitness Watch & Long Battery Life: With IP67 waterproof rating, you can wear it repeatedly without worry, like washing your hands, swimming, etc. Smart Watch has a large battery and Features with battery saving modes.Smart Watch for Android iOS: This smart watch can work with most of the smart phones in the market, which only requires your phone's system is above Android 4.4 or IOS 8.0. Notifications for incoming calls, texts, calendars and apps can be viewed and read on this smart watch.Useful Functions: Besides having 15 sport modes, this fitness tracker also provides many useful functions such as music control, do not disturb mode, vibration alarm clocks and stopwatch. Any questions, please kindly contact us, we would always offer the best solution for you.