1.54 Inch Touch Screen & Message Reminder --- Thanks to the 1.54 inch color touch screen and adjustable brightness even in direct sunlight, you can read all sports data clearly by the CHRONUS Smartwatch. Vibration during calls and messages allows you to maintain close contact with others without missing any important messages. Ten Sports Modes and IP68 Waterproof --- Different sports modes show the different sports levels of the individual. Smart watch has 10 sports modes, including walking, running, cycling, hiking, etc. Synchronize and save your data to the " H Band " APP, and you will easily observe your workout condition. At the same time, the IP68 waterproof function of this sports watch satisfies your daily needs. Blood Pressure Heart Rate & Heart Monitor --- The optical sensor built into the watch precisely monitors your heart rate and blood pressure in real time. You can view current and historical data in the " H-Band " app to help you better understand your health, better adjust your lifestyle to live healthier. 24 Hour Activity Tracker and Connected GPS --- Contacting Smartwatch to GPS of mobile phone, you can get running speed, calories, distance and other data and route map . And then adjust your exercise program according to the data. In addition, a USB magnetic charging cable is equipped, fully charged in just 1-2 hours and standby up to 15 days. Compatibility and Customer Service --- Our watch supports most smartphones (IOS 8.0 or above, Android 4.4 or above and Bluetooth 4.0 or above), you can download the APP " H Band " by the APP Store or the Android Market. If you have any questions, please do not hesitate to contact us. This fitness watch is the best gift for you, your friends and family. Don't miss it "