1.5 Inch Curved Screen1.5 Inch high-resolution curved full touch screen, makes the displayed content more vivid and beautiful. Bigger screen, fit the width of the wrist, bring a pleasant feeling of wearing.Real-time Heart Rate MonitorIt can accurately monitor pulses and the active and resting heart rate changes to generate a professional heart rate report.Sleep MonitorIt monitors your sleep quality through measurement of duration for deep sleep, non-REM sleep, and waking condition.IP67 Water ResistanceBenefiting from IP67 rating outstanding waterproof performance, you do not need to take down band any matter you have a shower, swim or climb mountain or wade into the water in daily life. It can cope with all kinds of water scenes in life leisurely.Long Time Standby140mah Battery, long standby time up to 7-10 days in the ordinary situation, saves the frequent charging trouble.