IOS 8.0-Android 4.4 or above and Bluetooth 4.0 or later

All-Day Activity Tracking: Our smart watch can track your all-day activities automatically such as steps, calories burned and distance traveled. Built with 5 exercise modes that can help you get more precise data and better understand your activity.
Heart Rate Monitoring & Sleep Tracking: 24/7 heart rate monitoring allows to check your heart rate at anytime and better understand your heart rate trends. Our smart watch also tracks your sleep automatically, analyze your sleep data and let you know the detailed periods of awake, light or deep sleep.
Large Touch Screen and Long Battery Life: Our 1.3’inch color touchscreen lets you check fitness data clearly, easily check detailed data reports, such as heart rate and sports data. The activity tracker support 8 days of use/ over 20 days standby time, per full charging only need 2hrs.