1.3 inch IPS color display with 240 * 240 pixel, providing incredible color depth, and exceptional clarity.Functions: GREENCELL heart rate algorithm, all day activity tracking, multi sensors, mobile alerts, pedometer, sleep monitoring, run route tracking, stopwatch, information / telephone reminder, find mobile phone / smart bracelet, shake snapshot, multiple language support. Get continuous, automatic and accurate heart rate monitoring night on your wrist. During exercise, check your real time heart rate chart to analyze fat burning and optimize exercise intensity and time. Support mainly 7 sports, including Running, Walking, Skipping, Badminton, Basketball, Football, Cycling. Display alert for incoming call, text message and schedule, so that you receive important information.Support life waterproof (not for taking shower, swimming and diving). Help your watch own more functions and provide more visual data with the new open platform of Da Fit.Support Android 4.4 and above, iOS 8.0 and above, BT 4.0 version.