Functions: This smartwatch offers you multiple functions and promotes smart life: Activity tracking (pedometer,distance,calories),heart rate monitor,sleep tracking,9 sport modes,shared GPS,message notification (call,SMS,Facebook,Twitter,Instagram...),sedentary reminder,stopwatch,alarm clock,breathing aid,music control,phone search,IP68 waterproof touch screen.Heart rate and sleep monitor: Using optical sensors,the women's sports watch helps you track heart rate and calories burned,count steps throughout the day to improve your fitness habits,accurately monitor your sleep and to analyze the data to better understand the quality of your sleep.9 sports modes battery life: The Women's Connected Watch offers 9 specific sport modes (cycling,running,climbing,yoga,etc.).With connected GPS,you can track your real-time pace,distance,and route for every workout.The smart watch for women lasts 7-10 days for long time use and 45 days standby time after 2.5 hours fully charged.Message Notification and Compatible: Connected to the smartphone,the women's smartwatch vibrates to remind you of messages from SMS and applications such as Facebook or Twitter.You cannot answer the call,but you can reject it.The connected women's smartwatch can also record women's physiological cycle and predict ovulation to develop a healthier lifestyle,compatible with at least Android 4.4 and iOS 8.0.Full Touch Screen Waterproof IP685ATM waterproof function also helps you when swimming or showering (cold water).Note that the women's sports watch does not support sea diving.Highlight function Find your phone,simple operation to connect the smart watch; Wrist motion sensitivity Built-in 210mAh battery,the smartwatch can be used for 1-2 hours for up to 10 days after charging.The fitness watch can receive incoming notifications from Twitter,Facebook,WhatsApp,Instagram,etc.The last 3 messages can be saved.The smart watch records your exercise data and all-day activities in real time,such as step synchronization,pace,calories,with APP,it displays today's data and last week's data.GPS Tracking Connect GPS to your phone for real-time running stats.With IP68 waterproof rating,you can wear fitness wristbands when you you wash your hands,swim,dive,but swimming does not track data.Color: black Note: Since the size is measured manually,there may be a measurement error of 1-3cm Due to different monitors,there are some differences between the real product and the picture,please understand > Package 1 PIECE HelloYou are warmly welcome to our shop.If you need help,please don't hesitate to contact us,we will try to help you solve the problem.Thank you very much