Watch Parameters ➤1.5 inch HD Screen resolution 454*454; ➤Battery capacity: 360mAh; ➤The standby time is about 30 days, and the working time is about 3-5 days; ➤Main Chip: RTL8762D ➤Health Monitor: more→Heart Rate,Blood pressure,oxygen,ECG ➤Waterproof: IP68; ➤Bluetooth version: 5.0 ➤ Compatible mobile phones: Android 5.0 and above, IOS 9.0 and above. Screen Diagonal: 1.5" Waterproof Rating: IP68 Heart Rate: Yes Pedometer: Yes Calorie Counter: Yes Compatibility: Android 5.0 , IOS 9.0 Watch Main Functions Breathing training, Dial push, Stopwatch, Brightness adjustment, Multiple sports modes, Sleep tracking, Heart rate monitoring, Apps notifications, Remote music control, Remote